Home / 230,565.33-318,172.32-127,203.66

Finding the Fourth Proportional to 230,565.33, 318,172.32 and 127,203.66

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Solution

The fourth proportional to 230,565.33, 318,172.32 and 127,203.66 is: 175,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,565.33 : 318,172.32 = 127,203.66 : x
  2. Step 2: Convert to fraction form
    230,565.33/318,172.32 = 127,203.66/x
  3. Step 3: Cross multiply
    230,565.33x = 318,172.32 × 127,203.66
  4. Step 4: Simplify right side
    230,565.33x = 40,472,683,614.69
  5. Step 5: Solve for x
    x = 40,472,683,614.69/230,565.33
  6. Step 6: Final answer
    x = 175,536.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.