Home / 171,073,172.80-256,609,759.20-169,561,518.40

Finding the Fourth Proportional to 171,073,172.80, 256,609,759.20 and 169,561,518.40

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Solution

The fourth proportional to 171,073,172.80, 256,609,759.20 and 169,561,518.40 is: 254,342,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,172.80 : 256,609,759.20 = 169,561,518.40 : x
  2. Step 2: Convert to fraction form
    171,073,172.80/256,609,759.20 = 169,561,518.40/x
  3. Step 3: Cross multiply
    171,073,172.80x = 256,609,759.20 × 169,561,518.40
  4. Step 4: Simplify right side
    171,073,172.80x = 43,511,140,406,210,368
  5. Step 5: Solve for x
    x = 43,511,140,406,210,368/171,073,172.80
  6. Step 6: Final answer
    x = 254,342,277.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.