Home / 261,532.16-392,299.04-71,995.04

Finding the Fourth Proportional to 261,532.16, 392,299.04 and 71,995.04

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Solution

The fourth proportional to 261,532.16, 392,299.04 and 71,995.04 is: 107,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,532.16 : 392,299.04 = 71,995.04 : x
  2. Step 2: Convert to fraction form
    261,532.16/392,299.04 = 71,995.04/x
  3. Step 3: Cross multiply
    261,532.16x = 392,299.04 × 71,995.04
  4. Step 4: Simplify right side
    261,532.16x = 28,243,585,076.76
  5. Step 5: Solve for x
    x = 28,243,585,076.76/261,532.16
  6. Step 6: Final answer
    x = 107,992.78

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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.