Home / 134,221.20-201,113.10-98,791.80

Finding the Fourth Proportional to 134,221.20, 201,113.10 and 98,791.80

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Solution

The fourth proportional to 134,221.20, 201,113.10 and 98,791.80 is: 148,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,221.20 : 201,113.10 = 98,791.80 : x
  2. Step 2: Convert to fraction form
    134,221.20/201,113.10 = 98,791.80/x
  3. Step 3: Cross multiply
    134,221.20x = 201,113.10 × 98,791.80
  4. Step 4: Simplify right side
    134,221.20x = 19,868,325,152.58
  5. Step 5: Solve for x
    x = 19,868,325,152.58/134,221.20
  6. Step 6: Final answer
    x = 148,026.73

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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.