Home / 121,152.90-167,187.26-67,436.52

Finding the Fourth Proportional to 121,152.90, 167,187.26 and 67,436.52

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Solution

The fourth proportional to 121,152.90, 167,187.26 and 67,436.52 is: 93,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.90 : 167,187.26 = 67,436.52 : x
  2. Step 2: Convert to fraction form
    121,152.90/167,187.26 = 67,436.52/x
  3. Step 3: Cross multiply
    121,152.90x = 167,187.26 × 67,436.52
  4. Step 4: Simplify right side
    121,152.90x = 11,274,527,002.74
  5. Step 5: Solve for x
    x = 11,274,527,002.74/121,152.90
  6. Step 6: Final answer
    x = 93,060.31

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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.