Home / 129,358.66-194,026.10-34,585.45

Finding the Fourth Proportional to 129,358.66, 194,026.10 and 34,585.45

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Solution

The fourth proportional to 129,358.66, 194,026.10 and 34,585.45 is: 51,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,358.66 : 194,026.10 = 34,585.45 : x
  2. Step 2: Convert to fraction form
    129,358.66/194,026.10 = 34,585.45/x
  3. Step 3: Cross multiply
    129,358.66x = 194,026.10 × 34,585.45
  4. Step 4: Simplify right side
    129,358.66x = 6,710,479,370.89
  5. Step 5: Solve for x
    x = 6,710,479,370.89/129,358.66
  6. Step 6: Final answer
    x = 51,874.99

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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.