Home / 121,342.32-167,453.26-67,630.82

Finding the Fourth Proportional to 121,342.32, 167,453.26 and 67,630.82

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Solution

The fourth proportional to 121,342.32, 167,453.26 and 67,630.82 is: 93,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,342.32 : 167,453.26 = 67,630.82 : x
  2. Step 2: Convert to fraction form
    121,342.32/167,453.26 = 67,630.82/x
  3. Step 3: Cross multiply
    121,342.32x = 167,453.26 × 67,630.82
  4. Step 4: Simplify right side
    121,342.32x = 11,325,000,279.13
  5. Step 5: Solve for x
    x = 11,325,000,279.13/121,342.32
  6. Step 6: Final answer
    x = 93,331.00

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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.