Home / 276,630.10-381,753.75-169,177.30

Finding the Fourth Proportional to 276,630.10, 381,753.75 and 169,177.30

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Solution

The fourth proportional to 276,630.10, 381,753.75 and 169,177.30 is: 233,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,630.10 : 381,753.75 = 169,177.30 : x
  2. Step 2: Convert to fraction form
    276,630.10/381,753.75 = 169,177.30/x
  3. Step 3: Cross multiply
    276,630.10x = 381,753.75 × 169,177.30
  4. Step 4: Simplify right side
    276,630.10x = 64,584,068,689.88
  5. Step 5: Solve for x
    x = 64,584,068,689.88/276,630.10
  6. Step 6: Final answer
    x = 233,467.25

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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.