Home / 108,877.20-163,315.80-94,102.80

Finding the Fourth Proportional to 108,877.20, 163,315.80 and 94,102.80

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Solution

The fourth proportional to 108,877.20, 163,315.80 and 94,102.80 is: 141,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,877.20 : 163,315.80 = 94,102.80 : x
  2. Step 2: Convert to fraction form
    108,877.20/163,315.80 = 94,102.80/x
  3. Step 3: Cross multiply
    108,877.20x = 163,315.80 × 94,102.80
  4. Step 4: Simplify right side
    108,877.20x = 15,368,474,064.24
  5. Step 5: Solve for x
    x = 15,368,474,064.24/108,877.20
  6. Step 6: Final answer
    x = 141,154.20

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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.