Home / 179,454.64-247,587.96-115,834.72

Finding the Fourth Proportional to 179,454.64, 247,587.96 and 115,834.72

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Solution

The fourth proportional to 179,454.64, 247,587.96 and 115,834.72 is: 159,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,454.64 : 247,587.96 = 115,834.72 : x
  2. Step 2: Convert to fraction form
    179,454.64/247,587.96 = 115,834.72/x
  3. Step 3: Cross multiply
    179,454.64x = 247,587.96 × 115,834.72
  4. Step 4: Simplify right side
    179,454.64x = 28,679,282,021.97
  5. Step 5: Solve for x
    x = 28,679,282,021.97/179,454.64
  6. Step 6: Final answer
    x = 159,813.54

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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.