Home / 179,382.16-247,454.76-115,618.96

Finding the Fourth Proportional to 179,382.16, 247,454.76 and 115,618.96

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Solution

The fourth proportional to 179,382.16, 247,454.76 and 115,618.96 is: 159,494.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,382.16 : 247,454.76 = 115,618.96 : x
  2. Step 2: Convert to fraction form
    179,382.16/247,454.76 = 115,618.96/x
  3. Step 3: Cross multiply
    179,382.16x = 247,454.76 × 115,618.96
  4. Step 4: Simplify right side
    179,382.16x = 28,610,461,998.25
  5. Step 5: Solve for x
    x = 28,610,461,998.25/179,382.16
  6. Step 6: Final answer
    x = 159,494.47

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1.5x scale

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.