Home / 186,376.13-279,143.60-86,326.14

Finding the Fourth Proportional to 186,376.13, 279,143.60 and 86,326.14

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Solution

The fourth proportional to 186,376.13, 279,143.60 and 86,326.14 is: 129,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,376.13 : 279,143.60 = 86,326.14 : x
  2. Step 2: Convert to fraction form
    186,376.13/279,143.60 = 86,326.14/x
  3. Step 3: Cross multiply
    186,376.13x = 279,143.60 × 86,326.14
  4. Step 4: Simplify right side
    186,376.13x = 24,097,389,493.70
  5. Step 5: Solve for x
    x = 24,097,389,493.70/186,376.13
  6. Step 6: Final answer
    x = 129,294.40

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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.