Home / 181,526.10-272,289.15-115,041.30

Finding the Fourth Proportional to 181,526.10, 272,289.15 and 115,041.30

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Solution

The fourth proportional to 181,526.10, 272,289.15 and 115,041.30 is: 172,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,526.10 : 272,289.15 = 115,041.30 : x
  2. Step 2: Convert to fraction form
    181,526.10/272,289.15 = 115,041.30/x
  3. Step 3: Cross multiply
    181,526.10x = 272,289.15 × 115,041.30
  4. Step 4: Simplify right side
    181,526.10x = 31,324,497,791.90
  5. Step 5: Solve for x
    x = 31,324,497,791.90/181,526.10
  6. Step 6: Final answer
    x = 172,561.95

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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.