Home / 140,025.62-193,246.83-79,615.22

Finding the Fourth Proportional to 140,025.62, 193,246.83 and 79,615.22

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Solution

The fourth proportional to 140,025.62, 193,246.83 and 79,615.22 is: 109,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,025.62 : 193,246.83 = 79,615.22 : x
  2. Step 2: Convert to fraction form
    140,025.62/193,246.83 = 79,615.22/x
  3. Step 3: Cross multiply
    140,025.62x = 193,246.83 × 79,615.22
  4. Step 4: Simplify right side
    140,025.62x = 15,385,387,918.52
  5. Step 5: Solve for x
    x = 15,385,387,918.52/140,025.62
  6. Step 6: Final answer
    x = 109,875.52

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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.