Home / 121,496.23-182,096.58-85,967.78

Finding the Fourth Proportional to 121,496.23, 182,096.58 and 85,967.78

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Solution

The fourth proportional to 121,496.23, 182,096.58 and 85,967.78 is: 128,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,496.23 : 182,096.58 = 85,967.78 : x
  2. Step 2: Convert to fraction form
    121,496.23/182,096.58 = 85,967.78/x
  3. Step 3: Cross multiply
    121,496.23x = 182,096.58 × 85,967.78
  4. Step 4: Simplify right side
    121,496.23x = 15,654,438,728.19
  5. Step 5: Solve for x
    x = 15,654,438,728.19/121,496.23
  6. Step 6: Final answer
    x = 128,847.12

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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.