Home / 171,504,307.20-257,256,460.80-146,845,444.80

Finding the Fourth Proportional to 171,504,307.20, 257,256,460.80 and 146,845,444.80

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Solution

The fourth proportional to 171,504,307.20, 257,256,460.80 and 146,845,444.80 is: 220,268,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,504,307.20 : 257,256,460.80 = 146,845,444.80 : x
  2. Step 2: Convert to fraction form
    171,504,307.20/257,256,460.80 = 146,845,444.80/x
  3. Step 3: Cross multiply
    171,504,307.20x = 257,256,460.80 × 146,845,444.80
  4. Step 4: Simplify right side
    171,504,307.20x = 37,776,939,413,849,768
  5. Step 5: Solve for x
    x = 37,776,939,413,849,768/171,504,307.20
  6. Step 6: Final answer
    x = 220,268,167.20

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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.