Home / 148,859.40-223,289.10-120,865.80

Finding the Fourth Proportional to 148,859.40, 223,289.10 and 120,865.80

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Solution

The fourth proportional to 148,859.40, 223,289.10 and 120,865.80 is: 181,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,859.40 : 223,289.10 = 120,865.80 : x
  2. Step 2: Convert to fraction form
    148,859.40/223,289.10 = 120,865.80/x
  3. Step 3: Cross multiply
    148,859.40x = 223,289.10 × 120,865.80
  4. Step 4: Simplify right side
    148,859.40x = 26,988,015,702.78
  5. Step 5: Solve for x
    x = 26,988,015,702.78/148,859.40
  6. Step 6: Final answer
    x = 181,298.70

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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.