Home / 460,043.15-690,092.28-144,500.05

Finding the Fourth Proportional to 460,043.15, 690,092.28 and 144,500.05

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Solution

The fourth proportional to 460,043.15, 690,092.28 and 144,500.05 is: 216,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,043.15 : 690,092.28 = 144,500.05 : x
  2. Step 2: Convert to fraction form
    460,043.15/690,092.28 = 144,500.05/x
  3. Step 3: Cross multiply
    460,043.15x = 690,092.28 × 144,500.05
  4. Step 4: Simplify right side
    460,043.15x = 99,718,365,514.15
  5. Step 5: Solve for x
    x = 99,718,365,514.15/460,043.15
  6. Step 6: Final answer
    x = 216,758.72

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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.