Home / 131,388.19-196,362.31-95,924.20

Finding the Fourth Proportional to 131,388.19, 196,362.31 and 95,924.20

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Solution

The fourth proportional to 131,388.19, 196,362.31 and 95,924.20 is: 143,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,388.19 : 196,362.31 = 95,924.20 : x
  2. Step 2: Convert to fraction form
    131,388.19/196,362.31 = 95,924.20/x
  3. Step 3: Cross multiply
    131,388.19x = 196,362.31 × 95,924.20
  4. Step 4: Simplify right side
    131,388.19x = 18,835,897,496.90
  5. Step 5: Solve for x
    x = 18,835,897,496.90/131,388.19
  6. Step 6: Final answer
    x = 143,360.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.