Home / 110,259.35-152,134.44-64,920.79

Finding the Fourth Proportional to 110,259.35, 152,134.44 and 64,920.79

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Solution

The fourth proportional to 110,259.35, 152,134.44 and 64,920.79 is: 89,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,259.35 : 152,134.44 = 64,920.79 : x
  2. Step 2: Convert to fraction form
    110,259.35/152,134.44 = 64,920.79/x
  3. Step 3: Cross multiply
    110,259.35x = 152,134.44 × 64,920.79
  4. Step 4: Simplify right side
    110,259.35x = 9,876,688,251.61
  5. Step 5: Solve for x
    x = 9,876,688,251.61/110,259.35
  6. Step 6: Final answer
    x = 89,576.88

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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.