Home / 186,726.33-280,089.03-80,041.11

Finding the Fourth Proportional to 186,726.33, 280,089.03 and 80,041.11

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Solution

The fourth proportional to 186,726.33, 280,089.03 and 80,041.11 is: 120,061.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,726.33 : 280,089.03 = 80,041.11 : x
  2. Step 2: Convert to fraction form
    186,726.33/280,089.03 = 80,041.11/x
  3. Step 3: Cross multiply
    186,726.33x = 280,089.03 × 80,041.11
  4. Step 4: Simplify right side
    186,726.33x = 22,418,636,860.02
  5. Step 5: Solve for x
    x = 22,418,636,860.02/186,726.33
  6. Step 6: Final answer
    x = 120,061.47

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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.