Home / 188,453.85-282,694.62-70,125.18

Finding the Fourth Proportional to 188,453.85, 282,694.62 and 70,125.18

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Solution

The fourth proportional to 188,453.85, 282,694.62 and 70,125.18 is: 105,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,453.85 : 282,694.62 = 70,125.18 : x
  2. Step 2: Convert to fraction form
    188,453.85/282,694.62 = 70,125.18/x
  3. Step 3: Cross multiply
    188,453.85x = 282,694.62 × 70,125.18
  4. Step 4: Simplify right side
    188,453.85x = 19,824,011,112.53
  5. Step 5: Solve for x
    x = 19,824,011,112.53/188,453.85
  6. Step 6: Final answer
    x = 105,192.92

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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.