Home / 218,498.13-301,527.09-123,035.58

Finding the Fourth Proportional to 218,498.13, 301,527.09 and 123,035.58

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Solution

The fourth proportional to 218,498.13, 301,527.09 and 123,035.58 is: 169,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,498.13 : 301,527.09 = 123,035.58 : x
  2. Step 2: Convert to fraction form
    218,498.13/301,527.09 = 123,035.58/x
  3. Step 3: Cross multiply
    218,498.13x = 301,527.09 × 123,035.58
  4. Step 4: Simplify right side
    218,498.13x = 37,098,560,403.86
  5. Step 5: Solve for x
    x = 37,098,560,403.86/218,498.13
  6. Step 6: Final answer
    x = 169,788.91

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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.