Home / 136,787.28-205,245.72-94,732.08

Finding the Fourth Proportional to 136,787.28, 205,245.72 and 94,732.08

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Solution

The fourth proportional to 136,787.28, 205,245.72 and 94,732.08 is: 142,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,787.28 : 205,245.72 = 94,732.08 : x
  2. Step 2: Convert to fraction form
    136,787.28/205,245.72 = 94,732.08/x
  3. Step 3: Cross multiply
    136,787.28x = 205,245.72 × 94,732.08
  4. Step 4: Simplify right side
    136,787.28x = 19,443,353,966.70
  5. Step 5: Solve for x
    x = 19,443,353,966.70/136,787.28
  6. Step 6: Final answer
    x = 142,143.00

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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.