Home / 132,387.45-198,518.78-48,088.18

Finding the Fourth Proportional to 132,387.45, 198,518.78 and 48,088.18

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Solution

The fourth proportional to 132,387.45, 198,518.78 and 48,088.18 is: 72,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387.45 : 198,518.78 = 48,088.18 : x
  2. Step 2: Convert to fraction form
    132,387.45/198,518.78 = 48,088.18/x
  3. Step 3: Cross multiply
    132,387.45x = 198,518.78 × 48,088.18
  4. Step 4: Simplify right side
    132,387.45x = 9,546,407,194.39
  5. Step 5: Solve for x
    x = 9,546,407,194.39/132,387.45
  6. Step 6: Final answer
    x = 72,109.61

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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.