Home / 261,736.12-391,829.16-161,574.27

Finding the Fourth Proportional to 261,736.12, 391,829.16 and 161,574.27

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Solution

The fourth proportional to 261,736.12, 391,829.16 and 161,574.27 is: 241,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,736.12 : 391,829.16 = 161,574.27 : x
  2. Step 2: Convert to fraction form
    261,736.12/391,829.16 = 161,574.27/x
  3. Step 3: Cross multiply
    261,736.12x = 391,829.16 × 161,574.27
  4. Step 4: Simplify right side
    261,736.12x = 63,309,510,491.71
  5. Step 5: Solve for x
    x = 63,309,510,491.71/261,736.12
  6. Step 6: Final answer
    x = 241,882.97

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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.