Home / 131,035.60-196,553.40-121,412.80

Finding the Fourth Proportional to 131,035.60, 196,553.40 and 121,412.80

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Solution

The fourth proportional to 131,035.60, 196,553.40 and 121,412.80 is: 182,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,035.60 : 196,553.40 = 121,412.80 : x
  2. Step 2: Convert to fraction form
    131,035.60/196,553.40 = 121,412.80/x
  3. Step 3: Cross multiply
    131,035.60x = 196,553.40 × 121,412.80
  4. Step 4: Simplify right side
    131,035.60x = 23,864,098,643.52
  5. Step 5: Solve for x
    x = 23,864,098,643.52/131,035.60
  6. Step 6: Final answer
    x = 182,119.20

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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.