Home / 129,547.49-194,282.03-45,291.95

Finding the Fourth Proportional to 129,547.49, 194,282.03 and 45,291.95

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Solution

The fourth proportional to 129,547.49, 194,282.03 and 45,291.95 is: 67,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,547.49 : 194,282.03 = 45,291.95 : x
  2. Step 2: Convert to fraction form
    129,547.49/194,282.03 = 45,291.95/x
  3. Step 3: Cross multiply
    129,547.49x = 194,282.03 × 45,291.95
  4. Step 4: Simplify right side
    129,547.49x = 8,799,412,350.98
  5. Step 5: Solve for x
    x = 8,799,412,350.98/129,547.49
  6. Step 6: Final answer
    x = 67,924.22

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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.