Home / 171,455.32-257,089.02-53,093.80

Finding the Fourth Proportional to 171,455.32, 257,089.02 and 53,093.80

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Solution

The fourth proportional to 171,455.32, 257,089.02 and 53,093.80 is: 79,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,455.32 : 257,089.02 = 53,093.80 : x
  2. Step 2: Convert to fraction form
    171,455.32/257,089.02 = 53,093.80/x
  3. Step 3: Cross multiply
    171,455.32x = 257,089.02 × 53,093.80
  4. Step 4: Simplify right side
    171,455.32x = 13,649,833,010.08
  5. Step 5: Solve for x
    x = 13,649,833,010.08/171,455.32
  6. Step 6: Final answer
    x = 79,611.60

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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.