Home / 186,767.98-280,151.06-86,873.11

Finding the Fourth Proportional to 186,767.98, 280,151.06 and 86,873.11

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Solution

The fourth proportional to 186,767.98, 280,151.06 and 86,873.11 is: 130,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,767.98 : 280,151.06 = 86,873.11 : x
  2. Step 2: Convert to fraction form
    186,767.98/280,151.06 = 86,873.11/x
  3. Step 3: Cross multiply
    186,767.98x = 280,151.06 × 86,873.11
  4. Step 4: Simplify right side
    186,767.98x = 24,337,592,717.25
  5. Step 5: Solve for x
    x = 24,337,592,717.25/186,767.98
  6. Step 6: Final answer
    x = 130,309.24

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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.