Home / 118,117.52-177,199.12-38,177.04

Finding the Fourth Proportional to 118,117.52, 177,199.12 and 38,177.04

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Solution

The fourth proportional to 118,117.52, 177,199.12 and 38,177.04 is: 57,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.52 : 177,199.12 = 38,177.04 : x
  2. Step 2: Convert to fraction form
    118,117.52/177,199.12 = 38,177.04/x
  3. Step 3: Cross multiply
    118,117.52x = 177,199.12 × 38,177.04
  4. Step 4: Simplify right side
    118,117.52x = 6,764,937,892.20
  5. Step 5: Solve for x
    x = 6,764,937,892.20/118,117.52
  6. Step 6: Final answer
    x = 57,272.94

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1.5x scale

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.