Home / 107,432.40-161,148.60-82,856.40

Finding the Fourth Proportional to 107,432.40, 161,148.60 and 82,856.40

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Solution

The fourth proportional to 107,432.40, 161,148.60 and 82,856.40 is: 124,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,432.40 : 161,148.60 = 82,856.40 : x
  2. Step 2: Convert to fraction form
    107,432.40/161,148.60 = 82,856.40/x
  3. Step 3: Cross multiply
    107,432.40x = 161,148.60 × 82,856.40
  4. Step 4: Simplify right side
    107,432.40x = 13,352,192,861.04
  5. Step 5: Solve for x
    x = 13,352,192,861.04/107,432.40
  6. Step 6: Final answer
    x = 124,284.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.