Home / 176,138.10-243,071.55-95,565.78

Finding the Fourth Proportional to 176,138.10, 243,071.55 and 95,565.78

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Solution

The fourth proportional to 176,138.10, 243,071.55 and 95,565.78 is: 131,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,138.10 : 243,071.55 = 95,565.78 : x
  2. Step 2: Convert to fraction form
    176,138.10/243,071.55 = 95,565.78/x
  3. Step 3: Cross multiply
    176,138.10x = 243,071.55 × 95,565.78
  4. Step 4: Simplify right side
    176,138.10x = 23,229,322,271.56
  5. Step 5: Solve for x
    x = 23,229,322,271.56/176,138.10
  6. Step 6: Final answer
    x = 131,881.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.