Home / 156,744.24-235,156.14-72,565.08

Finding the Fourth Proportional to 156,744.24, 235,156.14 and 72,565.08

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Solution

The fourth proportional to 156,744.24, 235,156.14 and 72,565.08 is: 108,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.24 : 235,156.14 = 72,565.08 : x
  2. Step 2: Convert to fraction form
    156,744.24/235,156.14 = 72,565.08/x
  3. Step 3: Cross multiply
    156,744.24x = 235,156.14 × 72,565.08
  4. Step 4: Simplify right side
    156,744.24x = 17,064,124,111.59
  5. Step 5: Solve for x
    x = 17,064,124,111.59/156,744.24
  6. Step 6: Final answer
    x = 108,866.04

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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.