Home / 398,260.20-597,159.90-148,967.40

Finding the Fourth Proportional to 398,260.20, 597,159.90 and 148,967.40

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Solution

The fourth proportional to 398,260.20, 597,159.90 and 148,967.40 is: 223,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,260.20 : 597,159.90 = 148,967.40 : x
  2. Step 2: Convert to fraction form
    398,260.20/597,159.90 = 148,967.40/x
  3. Step 3: Cross multiply
    398,260.20x = 597,159.90 × 148,967.40
  4. Step 4: Simplify right side
    398,260.20x = 88,957,357,687.26
  5. Step 5: Solve for x
    x = 88,957,357,687.26/398,260.20
  6. Step 6: Final answer
    x = 223,364.92

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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.