Home / 168,795.90-253,193.85-105,810.30

Finding the Fourth Proportional to 168,795.90, 253,193.85 and 105,810.30

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Solution

The fourth proportional to 168,795.90, 253,193.85 and 105,810.30 is: 158,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,795.90 : 253,193.85 = 105,810.30 : x
  2. Step 2: Convert to fraction form
    168,795.90/253,193.85 = 105,810.30/x
  3. Step 3: Cross multiply
    168,795.90x = 253,193.85 × 105,810.30
  4. Step 4: Simplify right side
    168,795.90x = 26,790,517,226.66
  5. Step 5: Solve for x
    x = 26,790,517,226.66/168,795.90
  6. Step 6: Final answer
    x = 158,715.45

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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.