Home / 108,827.15-163,178.75-55,486.22

Finding the Fourth Proportional to 108,827.15, 163,178.75 and 55,486.22

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Solution

The fourth proportional to 108,827.15, 163,178.75 and 55,486.22 is: 83,197.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,827.15 : 163,178.75 = 55,486.22 : x
  2. Step 2: Convert to fraction form
    108,827.15/163,178.75 = 55,486.22/x
  3. Step 3: Cross multiply
    108,827.15x = 163,178.75 × 55,486.22
  4. Step 4: Simplify right side
    108,827.15x = 9,054,171,344.65
  5. Step 5: Solve for x
    x = 9,054,171,344.65/108,827.15
  6. Step 6: Final answer
    x = 83,197.73

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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.