Home / 187,129.68-280,759.32-116,925.36

Finding the Fourth Proportional to 187,129.68, 280,759.32 and 116,925.36

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Solution

The fourth proportional to 187,129.68, 280,759.32 and 116,925.36 is: 175,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,129.68 : 280,759.32 = 116,925.36 : x
  2. Step 2: Convert to fraction form
    187,129.68/280,759.32 = 116,925.36/x
  3. Step 3: Cross multiply
    187,129.68x = 280,759.32 × 116,925.36
  4. Step 4: Simplify right side
    187,129.68x = 32,827,884,564.36
  5. Step 5: Solve for x
    x = 32,827,884,564.36/187,129.68
  6. Step 6: Final answer
    x = 175,428.53

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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.