Home / 121,204.40-167,233.56-73,446.80

Finding the Fourth Proportional to 121,204.40, 167,233.56 and 73,446.80

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Solution

The fourth proportional to 121,204.40, 167,233.56 and 73,446.80 is: 101,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,204.40 : 167,233.56 = 73,446.80 : x
  2. Step 2: Convert to fraction form
    121,204.40/167,233.56 = 73,446.80/x
  3. Step 3: Cross multiply
    121,204.40x = 167,233.56 × 73,446.80
  4. Step 4: Simplify right side
    121,204.40x = 12,282,769,834.61
  5. Step 5: Solve for x
    x = 12,282,769,834.61/121,204.40
  6. Step 6: Final answer
    x = 101,339.31

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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.