Home / 147,426.75-203,449.50-83,768.04

Finding the Fourth Proportional to 147,426.75, 203,449.50 and 83,768.04

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Solution

The fourth proportional to 147,426.75, 203,449.50 and 83,768.04 is: 115,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,426.75 : 203,449.50 = 83,768.04 : x
  2. Step 2: Convert to fraction form
    147,426.75/203,449.50 = 83,768.04/x
  3. Step 3: Cross multiply
    147,426.75x = 203,449.50 × 83,768.04
  4. Step 4: Simplify right side
    147,426.75x = 17,042,565,853.98
  5. Step 5: Solve for x
    x = 17,042,565,853.98/147,426.75
  6. Step 6: Final answer
    x = 115,600.23

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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.