Home / 159,734.90-220,435.56-88,117.40

Finding the Fourth Proportional to 159,734.90, 220,435.56 and 88,117.40

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Solution

The fourth proportional to 159,734.90, 220,435.56 and 88,117.40 is: 121,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,734.90 : 220,435.56 = 88,117.40 : x
  2. Step 2: Convert to fraction form
    159,734.90/220,435.56 = 88,117.40/x
  3. Step 3: Cross multiply
    159,734.90x = 220,435.56 × 88,117.40
  4. Step 4: Simplify right side
    159,734.90x = 19,424,208,414.74
  5. Step 5: Solve for x
    x = 19,424,208,414.74/159,734.90
  6. Step 6: Final answer
    x = 121,602.78

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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.