Home / 132,877.40-199,316.10-127,628.60

Finding the Fourth Proportional to 132,877.40, 199,316.10 and 127,628.60

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Solution

The fourth proportional to 132,877.40, 199,316.10 and 127,628.60 is: 191,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.40 : 199,316.10 = 127,628.60 : x
  2. Step 2: Convert to fraction form
    132,877.40/199,316.10 = 127,628.60/x
  3. Step 3: Cross multiply
    132,877.40x = 199,316.10 × 127,628.60
  4. Step 4: Simplify right side
    132,877.40x = 25,438,434,800.46
  5. Step 5: Solve for x
    x = 25,438,434,800.46/132,877.40
  6. Step 6: Final answer
    x = 191,442.90

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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.