Home / 188,650.28-282,909.78-70,257.02

Finding the Fourth Proportional to 188,650.28, 282,909.78 and 70,257.02

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Solution

The fourth proportional to 188,650.28, 282,909.78 and 70,257.02 is: 105,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,650.28 : 282,909.78 = 70,257.02 : x
  2. Step 2: Convert to fraction form
    188,650.28/282,909.78 = 70,257.02/x
  3. Step 3: Cross multiply
    188,650.28x = 282,909.78 × 70,257.02
  4. Step 4: Simplify right side
    188,650.28x = 19,876,398,071.66
  5. Step 5: Solve for x
    x = 19,876,398,071.66/188,650.28
  6. Step 6: Final answer
    x = 105,361.08

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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.