Home / 138,384.16-207,576.46-38,544.64

Finding the Fourth Proportional to 138,384.16, 207,576.46 and 38,544.64

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Solution

The fourth proportional to 138,384.16, 207,576.46 and 38,544.64 is: 57,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,384.16 : 207,576.46 = 38,544.64 : x
  2. Step 2: Convert to fraction form
    138,384.16/207,576.46 = 38,544.64/x
  3. Step 3: Cross multiply
    138,384.16x = 207,576.46 × 38,544.64
  4. Step 4: Simplify right side
    138,384.16x = 8,000,959,923.17
  5. Step 5: Solve for x
    x = 8,000,959,923.17/138,384.16
  6. Step 6: Final answer
    x = 57,817.02

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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.