Home / 129,686.74-194,547.11-50,790.71

Finding the Fourth Proportional to 129,686.74, 194,547.11 and 50,790.71

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Solution

The fourth proportional to 129,686.74, 194,547.11 and 50,790.71 is: 76,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,686.74 : 194,547.11 = 50,790.71 : x
  2. Step 2: Convert to fraction form
    129,686.74/194,547.11 = 50,790.71/x
  3. Step 3: Cross multiply
    129,686.74x = 194,547.11 × 50,790.71
  4. Step 4: Simplify right side
    129,686.74x = 9,881,186,077.76
  5. Step 5: Solve for x
    x = 9,881,186,077.76/129,686.74
  6. Step 6: Final answer
    x = 76,192.73

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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.