Home / 108,998.10-163,375.65-42,416.10

Finding the Fourth Proportional to 108,998.10, 163,375.65 and 42,416.10

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Solution

The fourth proportional to 108,998.10, 163,375.65 and 42,416.10 is: 63,576.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,998.10 : 163,375.65 = 42,416.10 : x
  2. Step 2: Convert to fraction form
    108,998.10/163,375.65 = 42,416.10/x
  3. Step 3: Cross multiply
    108,998.10x = 163,375.65 × 42,416.10
  4. Step 4: Simplify right side
    108,998.10x = 6,929,757,907.97
  5. Step 5: Solve for x
    x = 6,929,757,907.97/108,998.10
  6. Step 6: Final answer
    x = 63,576.87

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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.