Home / 188,071.96-282,109.02-75,803.80

Finding the Fourth Proportional to 188,071.96, 282,109.02 and 75,803.80

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Solution

The fourth proportional to 188,071.96, 282,109.02 and 75,803.80 is: 113,706.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,071.96 : 282,109.02 = 75,803.80 : x
  2. Step 2: Convert to fraction form
    188,071.96/282,109.02 = 75,803.80/x
  3. Step 3: Cross multiply
    188,071.96x = 282,109.02 × 75,803.80
  4. Step 4: Simplify right side
    188,071.96x = 21,384,935,730.28
  5. Step 5: Solve for x
    x = 21,384,935,730.28/188,071.96
  6. Step 6: Final answer
    x = 113,706.14

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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.