Home / 121,132.44-167,184.78-73,426.68

Finding the Fourth Proportional to 121,132.44, 167,184.78 and 73,426.68

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Solution

The fourth proportional to 121,132.44, 167,184.78 and 73,426.68 is: 101,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,132.44 : 167,184.78 = 73,426.68 : x
  2. Step 2: Convert to fraction form
    121,132.44/167,184.78 = 73,426.68/x
  3. Step 3: Cross multiply
    121,132.44x = 167,184.78 × 73,426.68
  4. Step 4: Simplify right side
    121,132.44x = 12,275,823,341.93
  5. Step 5: Solve for x
    x = 12,275,823,341.93/121,132.44
  6. Step 6: Final answer
    x = 101,342.16

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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.