Home / 195,140.21-292,568.76-131,803.47

Finding the Fourth Proportional to 195,140.21, 292,568.76 and 131,803.47

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Solution

The fourth proportional to 195,140.21, 292,568.76 and 131,803.47 is: 197,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,140.21 : 292,568.76 = 131,803.47 : x
  2. Step 2: Convert to fraction form
    195,140.21/292,568.76 = 131,803.47/x
  3. Step 3: Cross multiply
    195,140.21x = 292,568.76 × 131,803.47
  4. Step 4: Simplify right side
    195,140.21x = 38,561,577,781.60
  5. Step 5: Solve for x
    x = 38,561,577,781.60/195,140.21
  6. Step 6: Final answer
    x = 197,609.60

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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.