Home / 148,217.16-204,657.60-136,882.50

Finding the Fourth Proportional to 148,217.16, 204,657.60 and 136,882.50

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Solution

The fourth proportional to 148,217.16, 204,657.60 and 136,882.50 is: 189,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,217.16 : 204,657.60 = 136,882.50 : x
  2. Step 2: Convert to fraction form
    148,217.16/204,657.60 = 136,882.50/x
  3. Step 3: Cross multiply
    148,217.16x = 204,657.60 × 136,882.50
  4. Step 4: Simplify right side
    148,217.16x = 28,014,043,932
  5. Step 5: Solve for x
    x = 28,014,043,932/148,217.16
  6. Step 6: Final answer
    x = 189,006.75

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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.