Home / 460,039.46-690,086.75-144,496.36

Finding the Fourth Proportional to 460,039.46, 690,086.75 and 144,496.36

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Solution

The fourth proportional to 460,039.46, 690,086.75 and 144,496.36 is: 216,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,039.46 : 690,086.75 = 144,496.36 : x
  2. Step 2: Convert to fraction form
    460,039.46/690,086.75 = 144,496.36/x
  3. Step 3: Cross multiply
    460,039.46x = 690,086.75 × 144,496.36
  4. Step 4: Simplify right side
    460,039.46x = 99,715,024,412.15
  5. Step 5: Solve for x
    x = 99,715,024,412.15/460,039.46
  6. Step 6: Final answer
    x = 216,753.20

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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.