Home / 179,321.94-247,381.20-115,680.24

Finding the Fourth Proportional to 179,321.94, 247,381.20 and 115,680.24

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Solution

The fourth proportional to 179,321.94, 247,381.20 and 115,680.24 is: 159,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,321.94 : 247,381.20 = 115,680.24 : x
  2. Step 2: Convert to fraction form
    179,321.94/247,381.20 = 115,680.24/x
  3. Step 3: Cross multiply
    179,321.94x = 247,381.20 × 115,680.24
  4. Step 4: Simplify right side
    179,321.94x = 28,617,116,587.49
  5. Step 5: Solve for x
    x = 28,617,116,587.49/179,321.94
  6. Step 6: Final answer
    x = 159,585.14

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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.