Home / 204,421.10-306,510.15-125,591.90

Finding the Fourth Proportional to 204,421.10, 306,510.15 and 125,591.90

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Solution

The fourth proportional to 204,421.10, 306,510.15 and 125,591.90 is: 188,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,421.10 : 306,510.15 = 125,591.90 : x
  2. Step 2: Convert to fraction form
    204,421.10/306,510.15 = 125,591.90/x
  3. Step 3: Cross multiply
    204,421.10x = 306,510.15 × 125,591.90
  4. Step 4: Simplify right side
    204,421.10x = 38,495,192,107.79
  5. Step 5: Solve for x
    x = 38,495,192,107.79/204,421.10
  6. Step 6: Final answer
    x = 188,313.20

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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.