Home / 188,505.13-282,802.80-55,382.44

Finding the Fourth Proportional to 188,505.13, 282,802.80 and 55,382.44

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Solution

The fourth proportional to 188,505.13, 282,802.80 and 55,382.44 is: 83,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,505.13 : 282,802.80 = 55,382.44 : x
  2. Step 2: Convert to fraction form
    188,505.13/282,802.80 = 55,382.44/x
  3. Step 3: Cross multiply
    188,505.13x = 282,802.80 × 55,382.44
  4. Step 4: Simplify right side
    188,505.13x = 15,662,307,688.82
  5. Step 5: Solve for x
    x = 15,662,307,688.82/188,505.13
  6. Step 6: Final answer
    x = 83,086.91

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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.