Home / 140,005.50-193,200.57-79,568.16

Finding the Fourth Proportional to 140,005.50, 193,200.57 and 79,568.16

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Solution

The fourth proportional to 140,005.50, 193,200.57 and 79,568.16 is: 109,800.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,005.50 : 193,200.57 = 79,568.16 : x
  2. Step 2: Convert to fraction form
    140,005.50/193,200.57 = 79,568.16/x
  3. Step 3: Cross multiply
    140,005.50x = 193,200.57 × 79,568.16
  4. Step 4: Simplify right side
    140,005.50x = 15,372,613,865.85
  5. Step 5: Solve for x
    x = 15,372,613,865.85/140,005.50
  6. Step 6: Final answer
    x = 109,800.07

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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.