Home / 193,856.80-290,728.86-75,501.76

Finding the Fourth Proportional to 193,856.80, 290,728.86 and 75,501.76

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Solution

The fourth proportional to 193,856.80, 290,728.86 and 75,501.76 is: 113,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,856.80 : 290,728.86 = 75,501.76 : x
  2. Step 2: Convert to fraction form
    193,856.80/290,728.86 = 75,501.76/x
  3. Step 3: Cross multiply
    193,856.80x = 290,728.86 × 75,501.76
  4. Step 4: Simplify right side
    193,856.80x = 21,950,540,612.79
  5. Step 5: Solve for x
    x = 21,950,540,612.79/193,856.80
  6. Step 6: Final answer
    x = 113,230.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.