Home / 118,002.03-162,842.36-64,286.88

Finding the Fourth Proportional to 118,002.03, 162,842.36 and 64,286.88

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Solution

The fourth proportional to 118,002.03, 162,842.36 and 64,286.88 is: 88,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,002.03 : 162,842.36 = 64,286.88 : x
  2. Step 2: Convert to fraction form
    118,002.03/162,842.36 = 64,286.88/x
  3. Step 3: Cross multiply
    118,002.03x = 162,842.36 × 64,286.88
  4. Step 4: Simplify right side
    118,002.03x = 10,468,626,934.80
  5. Step 5: Solve for x
    x = 10,468,626,934.80/118,002.03
  6. Step 6: Final answer
    x = 88,715.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.