Home / 188,814.84-260,565.30-108,247.02

Finding the Fourth Proportional to 188,814.84, 260,565.30 and 108,247.02

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Solution

The fourth proportional to 188,814.84, 260,565.30 and 108,247.02 is: 149,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,814.84 : 260,565.30 = 108,247.02 : x
  2. Step 2: Convert to fraction form
    188,814.84/260,565.30 = 108,247.02/x
  3. Step 3: Cross multiply
    188,814.84x = 260,565.30 × 108,247.02
  4. Step 4: Simplify right side
    188,814.84x = 28,205,417,240.41
  5. Step 5: Solve for x
    x = 28,205,417,240.41/188,814.84
  6. Step 6: Final answer
    x = 149,381.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.