Home / 132,261.76-198,180.78-118,833.40

Finding the Fourth Proportional to 132,261.76, 198,180.78 and 118,833.40

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Solution

The fourth proportional to 132,261.76, 198,180.78 and 118,833.40 is: 178,059.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,261.76 : 198,180.78 = 118,833.40 : x
  2. Step 2: Convert to fraction form
    132,261.76/198,180.78 = 118,833.40/x
  3. Step 3: Cross multiply
    132,261.76x = 198,180.78 × 118,833.40
  4. Step 4: Simplify right side
    132,261.76x = 23,550,495,902.05
  5. Step 5: Solve for x
    x = 23,550,495,902.05/132,261.76
  6. Step 6: Final answer
    x = 178,059.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.