Home / 181,868.32-272,505.84-111,599.20

Finding the Fourth Proportional to 181,868.32, 272,505.84 and 111,599.20

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Solution

The fourth proportional to 181,868.32, 272,505.84 and 111,599.20 is: 167,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,868.32 : 272,505.84 = 111,599.20 : x
  2. Step 2: Convert to fraction form
    181,868.32/272,505.84 = 111,599.20/x
  3. Step 3: Cross multiply
    181,868.32x = 272,505.84 × 111,599.20
  4. Step 4: Simplify right side
    181,868.32x = 30,411,433,739.33
  5. Step 5: Solve for x
    x = 30,411,433,739.33/181,868.32
  6. Step 6: Final answer
    x = 167,216.77

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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.