Home / 181,955.76-272,950.05-69,631.44

Finding the Fourth Proportional to 181,955.76, 272,950.05 and 69,631.44

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Solution

The fourth proportional to 181,955.76, 272,950.05 and 69,631.44 is: 104,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,955.76 : 272,950.05 = 69,631.44 : x
  2. Step 2: Convert to fraction form
    181,955.76/272,950.05 = 69,631.44/x
  3. Step 3: Cross multiply
    181,955.76x = 272,950.05 × 69,631.44
  4. Step 4: Simplify right side
    181,955.76x = 19,005,905,029.57
  5. Step 5: Solve for x
    x = 19,005,905,029.57/181,955.76
  6. Step 6: Final answer
    x = 104,453.44

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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.