Home / 129,813.76-194,744.33-59,691.25

Finding the Fourth Proportional to 129,813.76, 194,744.33 and 59,691.25

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Solution

The fourth proportional to 129,813.76, 194,744.33 and 59,691.25 is: 89,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,813.76 : 194,744.33 = 59,691.25 : x
  2. Step 2: Convert to fraction form
    129,813.76/194,744.33 = 59,691.25/x
  3. Step 3: Cross multiply
    129,813.76x = 194,744.33 × 59,691.25
  4. Step 4: Simplify right side
    129,813.76x = 11,624,532,488.11
  5. Step 5: Solve for x
    x = 11,624,532,488.11/129,813.76
  6. Step 6: Final answer
    x = 89,547.77

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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.