Home / 140,353.04-193,660.44-83,769.68

Finding the Fourth Proportional to 140,353.04, 193,660.44 and 83,769.68

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Solution

The fourth proportional to 140,353.04, 193,660.44 and 83,769.68 is: 115,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,353.04 : 193,660.44 = 83,769.68 : x
  2. Step 2: Convert to fraction form
    140,353.04/193,660.44 = 83,769.68/x
  3. Step 3: Cross multiply
    140,353.04x = 193,660.44 × 83,769.68
  4. Step 4: Simplify right side
    140,353.04x = 16,222,873,087.46
  5. Step 5: Solve for x
    x = 16,222,873,087.46/140,353.04
  6. Step 6: Final answer
    x = 115,586.19

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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.