Home / 129,176.28-193,762.32-62,622.12

Finding the Fourth Proportional to 129,176.28, 193,762.32 and 62,622.12

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Solution

The fourth proportional to 129,176.28, 193,762.32 and 62,622.12 is: 93,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,176.28 : 193,762.32 = 62,622.12 : x
  2. Step 2: Convert to fraction form
    129,176.28/193,762.32 = 62,622.12/x
  3. Step 3: Cross multiply
    129,176.28x = 193,762.32 × 62,622.12
  4. Step 4: Simplify right side
    129,176.28x = 12,133,807,254.52
  5. Step 5: Solve for x
    x = 12,133,807,254.52/129,176.28
  6. Step 6: Final answer
    x = 93,932.16

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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.