Home / 186,397.30-279,319.46-136,907.38

Finding the Fourth Proportional to 186,397.30, 279,319.46 and 136,907.38

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Solution

The fourth proportional to 186,397.30, 279,319.46 and 136,907.38 is: 205,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,397.30 : 279,319.46 = 136,907.38 : x
  2. Step 2: Convert to fraction form
    186,397.30/279,319.46 = 136,907.38/x
  3. Step 3: Cross multiply
    186,397.30x = 279,319.46 × 136,907.38
  4. Step 4: Simplify right side
    186,397.30x = 38,240,895,451.61
  5. Step 5: Solve for x
    x = 38,240,895,451.61/186,397.30
  6. Step 6: Final answer
    x = 205,157.99

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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.