Home / 129,582.60-194,155.20-62,879.10

Finding the Fourth Proportional to 129,582.60, 194,155.20 and 62,879.10

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Solution

The fourth proportional to 129,582.60, 194,155.20 and 62,879.10 is: 94,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,582.60 : 194,155.20 = 62,879.10 : x
  2. Step 2: Convert to fraction form
    129,582.60/194,155.20 = 62,879.10/x
  3. Step 3: Cross multiply
    129,582.60x = 194,155.20 × 62,879.10
  4. Step 4: Simplify right side
    129,582.60x = 12,208,304,236.32
  5. Step 5: Solve for x
    x = 12,208,304,236.32/129,582.60
  6. Step 6: Final answer
    x = 94,212.53

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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.