Home / 261,373.41-392,013.27-69,249.12

Finding the Fourth Proportional to 261,373.41, 392,013.27 and 69,249.12

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Solution

The fourth proportional to 261,373.41, 392,013.27 and 69,249.12 is: 103,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,373.41 : 392,013.27 = 69,249.12 : x
  2. Step 2: Convert to fraction form
    261,373.41/392,013.27 = 69,249.12/x
  3. Step 3: Cross multiply
    261,373.41x = 392,013.27 × 69,249.12
  4. Step 4: Simplify right side
    261,373.41x = 27,146,573,975.82
  5. Step 5: Solve for x
    x = 27,146,573,975.82/261,373.41
  6. Step 6: Final answer
    x = 103,861.27

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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.