Home / 179,995.29-248,408.87-99,431.61

Finding the Fourth Proportional to 179,995.29, 248,408.87 and 99,431.61

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Solution

The fourth proportional to 179,995.29, 248,408.87 and 99,431.61 is: 137,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,995.29 : 248,408.87 = 99,431.61 : x
  2. Step 2: Convert to fraction form
    179,995.29/248,408.87 = 99,431.61/x
  3. Step 3: Cross multiply
    179,995.29x = 248,408.87 × 99,431.61
  4. Step 4: Simplify right side
    179,995.29x = 24,699,693,882.38
  5. Step 5: Solve for x
    x = 24,699,693,882.38/179,995.29
  6. Step 6: Final answer
    x = 137,224.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.