Home / 148,937.80-223,406.70-122,672.20

Finding the Fourth Proportional to 148,937.80, 223,406.70 and 122,672.20

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Solution

The fourth proportional to 148,937.80, 223,406.70 and 122,672.20 is: 184,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,937.80 : 223,406.70 = 122,672.20 : x
  2. Step 2: Convert to fraction form
    148,937.80/223,406.70 = 122,672.20/x
  3. Step 3: Cross multiply
    148,937.80x = 223,406.70 × 122,672.20
  4. Step 4: Simplify right side
    148,937.80x = 27,405,791,383.74
  5. Step 5: Solve for x
    x = 27,405,791,383.74/148,937.80
  6. Step 6: Final answer
    x = 184,008.30

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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.