Home / 545,551.38-818,327.13-166,474.10

Finding the Fourth Proportional to 545,551.38, 818,327.13 and 166,474.10

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Solution

The fourth proportional to 545,551.38, 818,327.13 and 166,474.10 is: 249,711.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,551.38 : 818,327.13 = 166,474.10 : x
  2. Step 2: Convert to fraction form
    545,551.38/818,327.13 = 166,474.10/x
  3. Step 3: Cross multiply
    545,551.38x = 818,327.13 × 166,474.10
  4. Step 4: Simplify right side
    545,551.38x = 136,230,271,436.49
  5. Step 5: Solve for x
    x = 136,230,271,436.49/545,551.38
  6. Step 6: Final answer
    x = 249,711.17

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Similar ratio
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1.5x scale

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.