Home / 181,458.11-272,187.17-81,501.57

Finding the Fourth Proportional to 181,458.11, 272,187.17 and 81,501.57

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Solution

The fourth proportional to 181,458.11, 272,187.17 and 81,501.57 is: 122,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,458.11 : 272,187.17 = 81,501.57 : x
  2. Step 2: Convert to fraction form
    181,458.11/272,187.17 = 81,501.57/x
  3. Step 3: Cross multiply
    181,458.11x = 272,187.17 × 81,501.57
  4. Step 4: Simplify right side
    181,458.11x = 22,183,681,281.35
  5. Step 5: Solve for x
    x = 22,183,681,281.35/181,458.11
  6. Step 6: Final answer
    x = 122,252.36

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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.