Home / 161,520.66-222,428.16-125,650.26

Finding the Fourth Proportional to 161,520.66, 222,428.16 and 125,650.26

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Solution

The fourth proportional to 161,520.66, 222,428.16 and 125,650.26 is: 173,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,520.66 : 222,428.16 = 125,650.26 : x
  2. Step 2: Convert to fraction form
    161,520.66/222,428.16 = 125,650.26/x
  3. Step 3: Cross multiply
    161,520.66x = 222,428.16 × 125,650.26
  4. Step 4: Simplify right side
    161,520.66x = 27,948,156,135.32
  5. Step 5: Solve for x
    x = 27,948,156,135.32/161,520.66
  6. Step 6: Final answer
    x = 173,031.46

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1.5x scale

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.