Home / 354,766.20-532,214.10-144,425.40

Finding the Fourth Proportional to 354,766.20, 532,214.10 and 144,425.40

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Solution

The fourth proportional to 354,766.20, 532,214.10 and 144,425.40 is: 216,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,766.20 : 532,214.10 = 144,425.40 : x
  2. Step 2: Convert to fraction form
    354,766.20/532,214.10 = 144,425.40/x
  3. Step 3: Cross multiply
    354,766.20x = 532,214.10 × 144,425.40
  4. Step 4: Simplify right side
    354,766.20x = 76,865,234,278.14
  5. Step 5: Solve for x
    x = 76,865,234,278.14/354,766.20
  6. Step 6: Final answer
    x = 216,664.48

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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.