Home / 179,311.16-247,366.28-115,669.46

Finding the Fourth Proportional to 179,311.16, 247,366.28 and 115,669.46

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Solution

The fourth proportional to 179,311.16, 247,366.28 and 115,669.46 is: 159,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,311.16 : 247,366.28 = 115,669.46 : x
  2. Step 2: Convert to fraction form
    179,311.16/247,366.28 = 115,669.46/x
  3. Step 3: Cross multiply
    179,311.16x = 247,366.28 × 115,669.46
  4. Step 4: Simplify right side
    179,311.16x = 28,612,722,214.63
  5. Step 5: Solve for x
    x = 28,612,722,214.63/179,311.16
  6. Step 6: Final answer
    x = 159,570.23

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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.