Home / 120,998.13-181,497.39-47,126.13

Finding the Fourth Proportional to 120,998.13, 181,497.39 and 47,126.13

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Solution

The fourth proportional to 120,998.13, 181,497.39 and 47,126.13 is: 70,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,998.13 : 181,497.39 = 47,126.13 : x
  2. Step 2: Convert to fraction form
    120,998.13/181,497.39 = 47,126.13/x
  3. Step 3: Cross multiply
    120,998.13x = 181,497.39 × 47,126.13
  4. Step 4: Simplify right side
    120,998.13x = 8,553,269,595.80
  5. Step 5: Solve for x
    x = 8,553,269,595.80/120,998.13
  6. Step 6: Final answer
    x = 70,689.27

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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.