Home / 181,661.63-272,536.20-57,002.63

Finding the Fourth Proportional to 181,661.63, 272,536.20 and 57,002.63

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Solution

The fourth proportional to 181,661.63, 272,536.20 and 57,002.63 is: 85,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,661.63 : 272,536.20 = 57,002.63 : x
  2. Step 2: Convert to fraction form
    181,661.63/272,536.20 = 57,002.63/x
  3. Step 3: Cross multiply
    181,661.63x = 272,536.20 × 57,002.63
  4. Step 4: Simplify right side
    181,661.63x = 15,535,278,807.53
  5. Step 5: Solve for x
    x = 15,535,278,807.53/181,661.63
  6. Step 6: Final answer
    x = 85,517.67

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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.