Home / 156,932.56-235,083.66-72,574.48

Finding the Fourth Proportional to 156,932.56, 235,083.66 and 72,574.48

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Solution

The fourth proportional to 156,932.56, 235,083.66 and 72,574.48 is: 108,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,932.56 : 235,083.66 = 72,574.48 : x
  2. Step 2: Convert to fraction form
    156,932.56/235,083.66 = 72,574.48/x
  3. Step 3: Cross multiply
    156,932.56x = 235,083.66 × 72,574.48
  4. Step 4: Simplify right side
    156,932.56x = 17,061,074,381.00
  5. Step 5: Solve for x
    x = 17,061,074,381.00/156,932.56
  6. Step 6: Final answer
    x = 108,715.96

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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.