Home / 118,694.34-177,785.55-111,715.38

Finding the Fourth Proportional to 118,694.34, 177,785.55 and 111,715.38

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Solution

The fourth proportional to 118,694.34, 177,785.55 and 111,715.38 is: 167,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,694.34 : 177,785.55 = 111,715.38 : x
  2. Step 2: Convert to fraction form
    118,694.34/177,785.55 = 111,715.38/x
  3. Step 3: Cross multiply
    118,694.34x = 177,785.55 × 111,715.38
  4. Step 4: Simplify right side
    118,694.34x = 19,861,380,276.76
  5. Step 5: Solve for x
    x = 19,861,380,276.76/118,694.34
  6. Step 6: Final answer
    x = 167,332.16

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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.