Home / 179,439.56-247,605-102,954.44

Finding the Fourth Proportional to 179,439.56, 247,605 and 102,954.44

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Solution

The fourth proportional to 179,439.56, 247,605 and 102,954.44 is: 142,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,439.56 : 247,605 = 102,954.44 : x
  2. Step 2: Convert to fraction form
    179,439.56/247,605 = 102,954.44/x
  3. Step 3: Cross multiply
    179,439.56x = 247,605 × 102,954.44
  4. Step 4: Simplify right side
    179,439.56x = 25,492,034,116.20
  5. Step 5: Solve for x
    x = 25,492,034,116.20/179,439.56
  6. Step 6: Final answer
    x = 142,064.74

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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.