Home / 118,715.11-178,081.92-34,476.65

Finding the Fourth Proportional to 118,715.11, 178,081.92 and 34,476.65

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Solution

The fourth proportional to 118,715.11, 178,081.92 and 34,476.65 is: 51,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,715.11 : 178,081.92 = 34,476.65 : x
  2. Step 2: Convert to fraction form
    118,715.11/178,081.92 = 34,476.65/x
  3. Step 3: Cross multiply
    118,715.11x = 178,081.92 × 34,476.65
  4. Step 4: Simplify right side
    118,715.11x = 6,139,668,027.17
  5. Step 5: Solve for x
    x = 6,139,668,027.17/118,715.11
  6. Step 6: Final answer
    x = 51,717.66

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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.