Home / 148,001.80-222,002.70-88,126.60

Finding the Fourth Proportional to 148,001.80, 222,002.70 and 88,126.60

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Solution

The fourth proportional to 148,001.80, 222,002.70 and 88,126.60 is: 132,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.80 : 222,002.70 = 88,126.60 : x
  2. Step 2: Convert to fraction form
    148,001.80/222,002.70 = 88,126.60/x
  3. Step 3: Cross multiply
    148,001.80x = 222,002.70 × 88,126.60
  4. Step 4: Simplify right side
    148,001.80x = 19,564,343,141.82
  5. Step 5: Solve for x
    x = 19,564,343,141.82/148,001.80
  6. Step 6: Final answer
    x = 132,189.90

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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.