Home / 107,890.20-148,883.02-60,134.32

Finding the Fourth Proportional to 107,890.20, 148,883.02 and 60,134.32

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Solution

The fourth proportional to 107,890.20, 148,883.02 and 60,134.32 is: 82,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.20 : 148,883.02 = 60,134.32 : x
  2. Step 2: Convert to fraction form
    107,890.20/148,883.02 = 60,134.32/x
  3. Step 3: Cross multiply
    107,890.20x = 148,883.02 × 60,134.32
  4. Step 4: Simplify right side
    107,890.20x = 8,952,979,167.25
  5. Step 5: Solve for x
    x = 8,952,979,167.25/107,890.20
  6. Step 6: Final answer
    x = 82,982.32

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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.