Home / 131,473.40-197,258.70-52,644.20

Finding the Fourth Proportional to 131,473.40, 197,258.70 and 52,644.20

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Solution

The fourth proportional to 131,473.40, 197,258.70 and 52,644.20 is: 78,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,473.40 : 197,258.70 = 52,644.20 : x
  2. Step 2: Convert to fraction form
    131,473.40/197,258.70 = 52,644.20/x
  3. Step 3: Cross multiply
    131,473.40x = 197,258.70 × 52,644.20
  4. Step 4: Simplify right side
    131,473.40x = 10,384,526,454.54
  5. Step 5: Solve for x
    x = 10,384,526,454.54/131,473.40
  6. Step 6: Final answer
    x = 78,985.76

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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.