Home / 148,965.10-223,447.65-122,721.10

Finding the Fourth Proportional to 148,965.10, 223,447.65 and 122,721.10

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Solution

The fourth proportional to 148,965.10, 223,447.65 and 122,721.10 is: 184,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,965.10 : 223,447.65 = 122,721.10 : x
  2. Step 2: Convert to fraction form
    148,965.10/223,447.65 = 122,721.10/x
  3. Step 3: Cross multiply
    148,965.10x = 223,447.65 × 122,721.10
  4. Step 4: Simplify right side
    148,965.10x = 27,421,741,400.42
  5. Step 5: Solve for x
    x = 27,421,741,400.42/148,965.10
  6. Step 6: Final answer
    x = 184,081.65

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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.