Home / 168,510.15-252,694.94-68,602.50

Finding the Fourth Proportional to 168,510.15, 252,694.94 and 68,602.50

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Solution

The fourth proportional to 168,510.15, 252,694.94 and 68,602.50 is: 102,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,510.15 : 252,694.94 = 68,602.50 : x
  2. Step 2: Convert to fraction form
    168,510.15/252,694.94 = 68,602.50/x
  3. Step 3: Cross multiply
    168,510.15x = 252,694.94 × 68,602.50
  4. Step 4: Simplify right side
    168,510.15x = 17,335,504,278.34
  5. Step 5: Solve for x
    x = 17,335,504,278.34/168,510.15
  6. Step 6: Final answer
    x = 102,875.13

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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.