Home / 187,954.31-282,071.61-75,635.52

Finding the Fourth Proportional to 187,954.31, 282,071.61 and 75,635.52

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Solution

The fourth proportional to 187,954.31, 282,071.61 and 75,635.52 is: 113,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,954.31 : 282,071.61 = 75,635.52 : x
  2. Step 2: Convert to fraction form
    187,954.31/282,071.61 = 75,635.52/x
  3. Step 3: Cross multiply
    187,954.31x = 282,071.61 × 75,635.52
  4. Step 4: Simplify right side
    187,954.31x = 21,334,632,899.59
  5. Step 5: Solve for x
    x = 21,334,632,899.59/187,954.31
  6. Step 6: Final answer
    x = 113,509.68

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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.