Home / 460,090.40-690,157.20-144,557.60

Finding the Fourth Proportional to 460,090.40, 690,157.20 and 144,557.60

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Solution

The fourth proportional to 460,090.40, 690,157.20 and 144,557.60 is: 216,843.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,090.40 : 690,157.20 = 144,557.60 : x
  2. Step 2: Convert to fraction form
    460,090.40/690,157.20 = 144,557.60/x
  3. Step 3: Cross multiply
    460,090.40x = 690,157.20 × 144,557.60
  4. Step 4: Simplify right side
    460,090.40x = 99,767,468,454.72
  5. Step 5: Solve for x
    x = 99,767,468,454.72/460,090.40
  6. Step 6: Final answer
    x = 216,843.19

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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.