Home / 121,542.18-167,728.24-67,094.38

Finding the Fourth Proportional to 121,542.18, 167,728.24 and 67,094.38

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Solution

The fourth proportional to 121,542.18, 167,728.24 and 67,094.38 is: 92,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,542.18 : 167,728.24 = 67,094.38 : x
  2. Step 2: Convert to fraction form
    121,542.18/167,728.24 = 67,094.38/x
  3. Step 3: Cross multiply
    121,542.18x = 167,728.24 × 67,094.38
  4. Step 4: Simplify right side
    121,542.18x = 11,253,622,271.29
  5. Step 5: Solve for x
    x = 11,253,622,271.29/121,542.18
  6. Step 6: Final answer
    x = 92,590.26

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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.