Home / 147,427.75-203,450.88-83,769.04

Finding the Fourth Proportional to 147,427.75, 203,450.88 and 83,769.04

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Solution

The fourth proportional to 147,427.75, 203,450.88 and 83,769.04 is: 115,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.75 : 203,450.88 = 83,769.04 : x
  2. Step 2: Convert to fraction form
    147,427.75/203,450.88 = 83,769.04/x
  3. Step 3: Cross multiply
    147,427.75x = 203,450.88 × 83,769.04
  4. Step 4: Simplify right side
    147,427.75x = 17,042,884,904.76
  5. Step 5: Solve for x
    x = 17,042,884,904.76/147,427.75
  6. Step 6: Final answer
    x = 115,601.61

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1.5x scale

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.