Home / 181,436.32-272,174.96-76,235.68

Finding the Fourth Proportional to 181,436.32, 272,174.96 and 76,235.68

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Solution

The fourth proportional to 181,436.32, 272,174.96 and 76,235.68 is: 114,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,436.32 : 272,174.96 = 76,235.68 : x
  2. Step 2: Convert to fraction form
    181,436.32/272,174.96 = 76,235.68/x
  3. Step 3: Cross multiply
    181,436.32x = 272,174.96 × 76,235.68
  4. Step 4: Simplify right side
    181,436.32x = 20,749,443,154.57
  5. Step 5: Solve for x
    x = 20,749,443,154.57/181,436.32
  6. Step 6: Final answer
    x = 114,362.13

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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.