Home / 129,118.92-193,689.55-35,624.66

Finding the Fourth Proportional to 129,118.92, 193,689.55 and 35,624.66

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Solution

The fourth proportional to 129,118.92, 193,689.55 and 35,624.66 is: 53,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,118.92 : 193,689.55 = 35,624.66 : x
  2. Step 2: Convert to fraction form
    129,118.92/193,689.55 = 35,624.66/x
  3. Step 3: Cross multiply
    129,118.92x = 193,689.55 × 35,624.66
  4. Step 4: Simplify right side
    129,118.92x = 6,900,124,364.30
  5. Step 5: Solve for x
    x = 6,900,124,364.30/129,118.92
  6. Step 6: Final answer
    x = 53,440.07

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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.