Home / 129,149.84-193,032.32-116,470.71

Finding the Fourth Proportional to 129,149.84, 193,032.32 and 116,470.71

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Solution

The fourth proportional to 129,149.84, 193,032.32 and 116,470.71 is: 174,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,149.84 : 193,032.32 = 116,470.71 : x
  2. Step 2: Convert to fraction form
    129,149.84/193,032.32 = 116,470.71/x
  3. Step 3: Cross multiply
    129,149.84x = 193,032.32 × 116,470.71
  4. Step 4: Simplify right side
    129,149.84x = 22,482,610,780.99
  5. Step 5: Solve for x
    x = 22,482,610,780.99/129,149.84
  6. Step 6: Final answer
    x = 174,081.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.