Home / 181,660.44-272,509.20-69,435.11

Finding the Fourth Proportional to 181,660.44, 272,509.20 and 69,435.11

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Solution

The fourth proportional to 181,660.44, 272,509.20 and 69,435.11 is: 104,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,660.44 : 272,509.20 = 69,435.11 : x
  2. Step 2: Convert to fraction form
    181,660.44/272,509.20 = 69,435.11/x
  3. Step 3: Cross multiply
    181,660.44x = 272,509.20 × 69,435.11
  4. Step 4: Simplify right side
    181,660.44x = 18,921,704,915.47
  5. Step 5: Solve for x
    x = 18,921,704,915.47/181,660.44
  6. Step 6: Final answer
    x = 104,159.74

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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.