Home / 108,766.24-163,208.78-42,208.96

Finding the Fourth Proportional to 108,766.24, 163,208.78 and 42,208.96

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Solution

The fourth proportional to 108,766.24, 163,208.78 and 42,208.96 is: 63,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,766.24 : 163,208.78 = 42,208.96 : x
  2. Step 2: Convert to fraction form
    108,766.24/163,208.78 = 42,208.96/x
  3. Step 3: Cross multiply
    108,766.24x = 163,208.78 × 42,208.96
  4. Step 4: Simplify right side
    108,766.24x = 6,888,872,866.67
  5. Step 5: Solve for x
    x = 6,888,872,866.67/108,766.24
  6. Step 6: Final answer
    x = 63,336.50

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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.