Home / 151,121.13-226,673.49-45,931.90

Finding the Fourth Proportional to 151,121.13, 226,673.49 and 45,931.90

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Solution

The fourth proportional to 151,121.13, 226,673.49 and 45,931.90 is: 68,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,121.13 : 226,673.49 = 45,931.90 : x
  2. Step 2: Convert to fraction form
    151,121.13/226,673.49 = 45,931.90/x
  3. Step 3: Cross multiply
    151,121.13x = 226,673.49 × 45,931.90
  4. Step 4: Simplify right side
    151,121.13x = 10,411,542,941.96
  5. Step 5: Solve for x
    x = 10,411,542,941.96/151,121.13
  6. Step 6: Final answer
    x = 68,895.35

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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.