Home / 129,746.36-194,551.40-58,607.71

Finding the Fourth Proportional to 129,746.36, 194,551.40 and 58,607.71

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Solution

The fourth proportional to 129,746.36, 194,551.40 and 58,607.71 is: 87,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,746.36 : 194,551.40 = 58,607.71 : x
  2. Step 2: Convert to fraction form
    129,746.36/194,551.40 = 58,607.71/x
  3. Step 3: Cross multiply
    129,746.36x = 194,551.40 × 58,607.71
  4. Step 4: Simplify right side
    129,746.36x = 11,402,211,691.43
  5. Step 5: Solve for x
    x = 11,402,211,691.43/129,746.36
  6. Step 6: Final answer
    x = 87,880.78

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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.