Home / 186,458.03-279,535.22-86,681.15

Finding the Fourth Proportional to 186,458.03, 279,535.22 and 86,681.15

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Solution

The fourth proportional to 186,458.03, 279,535.22 and 86,681.15 is: 129,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,458.03 : 279,535.22 = 86,681.15 : x
  2. Step 2: Convert to fraction form
    186,458.03/279,535.22 = 86,681.15/x
  3. Step 3: Cross multiply
    186,458.03x = 279,535.22 × 86,681.15
  4. Step 4: Simplify right side
    186,458.03x = 24,230,433,901.70
  5. Step 5: Solve for x
    x = 24,230,433,901.70/186,458.03
  6. Step 6: Final answer
    x = 129,951.14

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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.