Home / 121,161.06-167,182.29-67,444.70

Finding the Fourth Proportional to 121,161.06, 167,182.29 and 67,444.70

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Solution

The fourth proportional to 121,161.06, 167,182.29 and 67,444.70 is: 93,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,161.06 : 167,182.29 = 67,444.70 : x
  2. Step 2: Convert to fraction form
    121,161.06/167,182.29 = 67,444.70/x
  3. Step 3: Cross multiply
    121,161.06x = 167,182.29 × 67,444.70
  4. Step 4: Simplify right side
    121,161.06x = 11,275,558,558.45
  5. Step 5: Solve for x
    x = 11,275,558,558.45/121,161.06
  6. Step 6: Final answer
    x = 93,062.56

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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.