Home / 140,008.77-193,211.33-76,345.20

Finding the Fourth Proportional to 140,008.77, 193,211.33 and 76,345.20

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Solution

The fourth proportional to 140,008.77, 193,211.33 and 76,345.20 is: 105,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,008.77 : 193,211.33 = 76,345.20 : x
  2. Step 2: Convert to fraction form
    140,008.77/193,211.33 = 76,345.20/x
  3. Step 3: Cross multiply
    140,008.77x = 193,211.33 × 76,345.20
  4. Step 4: Simplify right side
    140,008.77x = 14,750,757,249.39
  5. Step 5: Solve for x
    x = 14,750,757,249.39/140,008.77
  6. Step 6: Final answer
    x = 105,355.95

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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.