Home / 186,168.20-279,146.52-127,075.40

Finding the Fourth Proportional to 186,168.20, 279,146.52 and 127,075.40

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Solution

The fourth proportional to 186,168.20, 279,146.52 and 127,075.40 is: 190,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,168.20 : 279,146.52 = 127,075.40 : x
  2. Step 2: Convert to fraction form
    186,168.20/279,146.52 = 127,075.40/x
  3. Step 3: Cross multiply
    186,168.20x = 279,146.52 × 127,075.40
  4. Step 4: Simplify right side
    186,168.20x = 35,472,655,687.61
  5. Step 5: Solve for x
    x = 35,472,655,687.61/186,168.20
  6. Step 6: Final answer
    x = 190,540.90

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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.