Home / 147,319.22-203,323.57-86,896.46

Finding the Fourth Proportional to 147,319.22, 203,323.57 and 86,896.46

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Solution

The fourth proportional to 147,319.22, 203,323.57 and 86,896.46 is: 119,930.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,319.22 : 203,323.57 = 86,896.46 : x
  2. Step 2: Convert to fraction form
    147,319.22/203,323.57 = 86,896.46/x
  3. Step 3: Cross multiply
    147,319.22x = 203,323.57 × 86,896.46
  4. Step 4: Simplify right side
    147,319.22x = 17,668,098,758.63
  5. Step 5: Solve for x
    x = 17,668,098,758.63/147,319.22
  6. Step 6: Final answer
    x = 119,930.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.