Home / 135,024.50-202,663.86-68,512.36

Finding the Fourth Proportional to 135,024.50, 202,663.86 and 68,512.36

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Solution

The fourth proportional to 135,024.50, 202,663.86 and 68,512.36 is: 102,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.50 : 202,663.86 = 68,512.36 : x
  2. Step 2: Convert to fraction form
    135,024.50/202,663.86 = 68,512.36/x
  3. Step 3: Cross multiply
    135,024.50x = 202,663.86 × 68,512.36
  4. Step 4: Simplify right side
    135,024.50x = 13,884,979,335.31
  5. Step 5: Solve for x
    x = 13,884,979,335.31/135,024.50
  6. Step 6: Final answer
    x = 102,833.04

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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.