Home / 109,864.20-151,590.24-64,549.56

Finding the Fourth Proportional to 109,864.20, 151,590.24 and 64,549.56

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Solution

The fourth proportional to 109,864.20, 151,590.24 and 64,549.56 is: 89,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.20 : 151,590.24 = 64,549.56 : x
  2. Step 2: Convert to fraction form
    109,864.20/151,590.24 = 64,549.56/x
  3. Step 3: Cross multiply
    109,864.20x = 151,590.24 × 64,549.56
  4. Step 4: Simplify right side
    109,864.20x = 9,785,083,292.29
  5. Step 5: Solve for x
    x = 9,785,083,292.29/109,864.20
  6. Step 6: Final answer
    x = 89,065.26

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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.