Home / 129,096.15-193,644.38-40,350.12

Finding the Fourth Proportional to 129,096.15, 193,644.38 and 40,350.12

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Solution

The fourth proportional to 129,096.15, 193,644.38 and 40,350.12 is: 60,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,096.15 : 193,644.38 = 40,350.12 : x
  2. Step 2: Convert to fraction form
    129,096.15/193,644.38 = 40,350.12/x
  3. Step 3: Cross multiply
    129,096.15x = 193,644.38 × 40,350.12
  4. Step 4: Simplify right side
    129,096.15x = 7,813,574,071.20
  5. Step 5: Solve for x
    x = 7,813,574,071.20/129,096.15
  6. Step 6: Final answer
    x = 60,525.23

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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.