Home / 140,309.34-193,630.68-83,753.52

Finding the Fourth Proportional to 140,309.34, 193,630.68 and 83,753.52

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Solution

The fourth proportional to 140,309.34, 193,630.68 and 83,753.52 is: 115,582.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,309.34 : 193,630.68 = 83,753.52 : x
  2. Step 2: Convert to fraction form
    140,309.34/193,630.68 = 83,753.52/x
  3. Step 3: Cross multiply
    140,309.34x = 193,630.68 × 83,753.52
  4. Step 4: Simplify right side
    140,309.34x = 16,217,251,029.99
  5. Step 5: Solve for x
    x = 16,217,251,029.99/140,309.34
  6. Step 6: Final answer
    x = 115,582.12

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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.