Home / 186,058.32-279,118.68-86,177.76

Finding the Fourth Proportional to 186,058.32, 279,118.68 and 86,177.76

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Solution

The fourth proportional to 186,058.32, 279,118.68 and 86,177.76 is: 129,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,058.32 : 279,118.68 = 86,177.76 : x
  2. Step 2: Convert to fraction form
    186,058.32/279,118.68 = 86,177.76/x
  3. Step 3: Cross multiply
    186,058.32x = 279,118.68 × 86,177.76
  4. Step 4: Simplify right side
    186,058.32x = 24,053,822,616.56
  5. Step 5: Solve for x
    x = 24,053,822,616.56/186,058.32
  6. Step 6: Final answer
    x = 129,281.09

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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.