Home / 460,132.32-690,268.14-144,559.56

Finding the Fourth Proportional to 460,132.32, 690,268.14 and 144,559.56

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Solution

The fourth proportional to 460,132.32, 690,268.14 and 144,559.56 is: 216,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,132.32 : 690,268.14 = 144,559.56 : x
  2. Step 2: Convert to fraction form
    460,132.32/690,268.14 = 144,559.56/x
  3. Step 3: Cross multiply
    460,132.32x = 690,268.14 × 144,559.56
  4. Step 4: Simplify right side
    460,132.32x = 99,784,858,600.42
  5. Step 5: Solve for x
    x = 99,784,858,600.42/460,132.32
  6. Step 6: Final answer
    x = 216,861.23

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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.