Home / 115,446.24-159,308.28-64,463.76

Finding the Fourth Proportional to 115,446.24, 159,308.28 and 64,463.76

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Solution

The fourth proportional to 115,446.24, 159,308.28 and 64,463.76 is: 88,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,446.24 : 159,308.28 = 64,463.76 : x
  2. Step 2: Convert to fraction form
    115,446.24/159,308.28 = 64,463.76/x
  3. Step 3: Cross multiply
    115,446.24x = 159,308.28 × 64,463.76
  4. Step 4: Simplify right side
    115,446.24x = 10,269,610,727.93
  5. Step 5: Solve for x
    x = 10,269,610,727.93/115,446.24
  6. Step 6: Final answer
    x = 88,955.78

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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.