Home / 302,732.40-454,153.68-125,142.96

Finding the Fourth Proportional to 302,732.40, 454,153.68 and 125,142.96

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Solution

The fourth proportional to 302,732.40, 454,153.68 and 125,142.96 is: 187,737.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,732.40 : 454,153.68 = 125,142.96 : x
  2. Step 2: Convert to fraction form
    302,732.40/454,153.68 = 125,142.96/x
  3. Step 3: Cross multiply
    302,732.40x = 454,153.68 × 125,142.96
  4. Step 4: Simplify right side
    302,732.40x = 56,834,135,810.09
  5. Step 5: Solve for x
    x = 56,834,135,810.09/302,732.40
  6. Step 6: Final answer
    x = 187,737.21

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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.