Home / 121,180.15-167,248.60-92,445.54

Finding the Fourth Proportional to 121,180.15, 167,248.60 and 92,445.54

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Solution

The fourth proportional to 121,180.15, 167,248.60 and 92,445.54 is: 127,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,180.15 : 167,248.60 = 92,445.54 : x
  2. Step 2: Convert to fraction form
    121,180.15/167,248.60 = 92,445.54/x
  3. Step 3: Cross multiply
    121,180.15x = 167,248.60 × 92,445.54
  4. Step 4: Simplify right side
    121,180.15x = 15,461,386,282.95
  5. Step 5: Solve for x
    x = 15,461,386,282.95/121,180.15
  6. Step 6: Final answer
    x = 127,590.09

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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.