Home / 140,088.54-193,321.25-79,659.19

Finding the Fourth Proportional to 140,088.54, 193,321.25 and 79,659.19

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Solution

The fourth proportional to 140,088.54, 193,321.25 and 79,659.19 is: 109,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,088.54 : 193,321.25 = 79,659.19 : x
  2. Step 2: Convert to fraction form
    140,088.54/193,321.25 = 79,659.19/x
  3. Step 3: Cross multiply
    140,088.54x = 193,321.25 × 79,659.19
  4. Step 4: Simplify right side
    140,088.54x = 15,399,813,218.18
  5. Step 5: Solve for x
    x = 15,399,813,218.18/140,088.54
  6. Step 6: Final answer
    x = 109,929.14

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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.