Home / 168,255.16-252,430.36-68,486.92

Finding the Fourth Proportional to 168,255.16, 252,430.36 and 68,486.92

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Solution

The fourth proportional to 168,255.16, 252,430.36 and 68,486.92 is: 102,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,255.16 : 252,430.36 = 68,486.92 : x
  2. Step 2: Convert to fraction form
    168,255.16/252,430.36 = 68,486.92/x
  3. Step 3: Cross multiply
    168,255.16x = 252,430.36 × 68,486.92
  4. Step 4: Simplify right side
    168,255.16x = 17,288,177,068.60
  5. Step 5: Solve for x
    x = 17,288,177,068.60/168,255.16
  6. Step 6: Final answer
    x = 102,749.76

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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.