Home / 194,635.40-292,082.70-89,400.20

Finding the Fourth Proportional to 194,635.40, 292,082.70 and 89,400.20

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Solution

The fourth proportional to 194,635.40, 292,082.70 and 89,400.20 is: 134,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,635.40 : 292,082.70 = 89,400.20 : x
  2. Step 2: Convert to fraction form
    194,635.40/292,082.70 = 89,400.20/x
  3. Step 3: Cross multiply
    194,635.40x = 292,082.70 × 89,400.20
  4. Step 4: Simplify right side
    194,635.40x = 26,112,251,796.54
  5. Step 5: Solve for x
    x = 26,112,251,796.54/194,635.40
  6. Step 6: Final answer
    x = 134,159.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.