Home / 188,197.50-282,296.67-132,287.81

Finding the Fourth Proportional to 188,197.50, 282,296.67 and 132,287.81

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Solution

The fourth proportional to 188,197.50, 282,296.67 and 132,287.81 is: 198,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,197.50 : 282,296.67 = 132,287.81 : x
  2. Step 2: Convert to fraction form
    188,197.50/282,296.67 = 132,287.81/x
  3. Step 3: Cross multiply
    188,197.50x = 282,296.67 × 132,287.81
  4. Step 4: Simplify right side
    188,197.50x = 37,344,406,833.11
  5. Step 5: Solve for x
    x = 37,344,406,833.11/188,197.50
  6. Step 6: Final answer
    x = 198,432.00

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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.