Home / 131,261.60-196,546.80-96,010.40

Finding the Fourth Proportional to 131,261.60, 196,546.80 and 96,010.40

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Solution

The fourth proportional to 131,261.60, 196,546.80 and 96,010.40 is: 143,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,261.60 : 196,546.80 = 96,010.40 : x
  2. Step 2: Convert to fraction form
    131,261.60/196,546.80 = 96,010.40/x
  3. Step 3: Cross multiply
    131,261.60x = 196,546.80 × 96,010.40
  4. Step 4: Simplify right side
    131,261.60x = 18,870,536,886.72
  5. Step 5: Solve for x
    x = 18,870,536,886.72/131,261.60
  6. Step 6: Final answer
    x = 143,762.81

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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.