Home / 150,383.25-207,528.89-89,956.44

Finding the Fourth Proportional to 150,383.25, 207,528.89 and 89,956.44

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Solution

The fourth proportional to 150,383.25, 207,528.89 and 89,956.44 is: 124,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,383.25 : 207,528.89 = 89,956.44 : x
  2. Step 2: Convert to fraction form
    150,383.25/207,528.89 = 89,956.44/x
  3. Step 3: Cross multiply
    150,383.25x = 207,528.89 × 89,956.44
  4. Step 4: Simplify right side
    150,383.25x = 18,668,559,691.77
  5. Step 5: Solve for x
    x = 18,668,559,691.77/150,383.25
  6. Step 6: Final answer
    x = 124,139.89

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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.