Home / 173,931.12-240,508.10-138,058.85

Finding the Fourth Proportional to 173,931.12, 240,508.10 and 138,058.85

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Solution

The fourth proportional to 173,931.12, 240,508.10 and 138,058.85 is: 190,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,931.12 : 240,508.10 = 138,058.85 : x
  2. Step 2: Convert to fraction form
    173,931.12/240,508.10 = 138,058.85/x
  3. Step 3: Cross multiply
    173,931.12x = 240,508.10 × 138,058.85
  4. Step 4: Simplify right side
    173,931.12x = 33,204,272,648.10
  5. Step 5: Solve for x
    x = 33,204,272,648.10/173,931.12
  6. Step 6: Final answer
    x = 190,904.73

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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.