Home / 460,132.40-690,274.20-144,513.20

Finding the Fourth Proportional to 460,132.40, 690,274.20 and 144,513.20

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Solution

The fourth proportional to 460,132.40, 690,274.20 and 144,513.20 is: 216,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,132.40 : 690,274.20 = 144,513.20 : x
  2. Step 2: Convert to fraction form
    460,132.40/690,274.20 = 144,513.20/x
  3. Step 3: Cross multiply
    460,132.40x = 690,274.20 × 144,513.20
  4. Step 4: Simplify right side
    460,132.40x = 99,753,733,519.44
  5. Step 5: Solve for x
    x = 99,753,733,519.44/460,132.40
  6. Step 6: Final answer
    x = 216,793.54

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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.