Home / 147,283.50-203,244.10-83,619.93

Finding the Fourth Proportional to 147,283.50, 203,244.10 and 83,619.93

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Solution

The fourth proportional to 147,283.50, 203,244.10 and 83,619.93 is: 115,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,283.50 : 203,244.10 = 83,619.93 : x
  2. Step 2: Convert to fraction form
    147,283.50/203,244.10 = 83,619.93/x
  3. Step 3: Cross multiply
    147,283.50x = 203,244.10 × 83,619.93
  4. Step 4: Simplify right side
    147,283.50x = 16,995,257,414.91
  5. Step 5: Solve for x
    x = 16,995,257,414.91/147,283.50
  6. Step 6: Final answer
    x = 115,391.46

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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.