Home / 148,000.85-222,001.28-103,677.65

Finding the Fourth Proportional to 148,000.85, 222,001.28 and 103,677.65

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Solution

The fourth proportional to 148,000.85, 222,001.28 and 103,677.65 is: 155,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,000.85 : 222,001.28 = 103,677.65 : x
  2. Step 2: Convert to fraction form
    148,000.85/222,001.28 = 103,677.65/x
  3. Step 3: Cross multiply
    148,000.85x = 222,001.28 × 103,677.65
  4. Step 4: Simplify right side
    148,000.85x = 23,016,570,489.00
  5. Step 5: Solve for x
    x = 23,016,570,489.00/148,000.85
  6. Step 6: Final answer
    x = 155,516.48

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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.