Home / 102,684.20-154,026.30-101,301.80

Finding the Fourth Proportional to 102,684.20, 154,026.30 and 101,301.80

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Solution

The fourth proportional to 102,684.20, 154,026.30 and 101,301.80 is: 151,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,684.20 : 154,026.30 = 101,301.80 : x
  2. Step 2: Convert to fraction form
    102,684.20/154,026.30 = 101,301.80/x
  3. Step 3: Cross multiply
    102,684.20x = 154,026.30 × 101,301.80
  4. Step 4: Simplify right side
    102,684.20x = 15,603,141,437.34
  5. Step 5: Solve for x
    x = 15,603,141,437.34/102,684.20
  6. Step 6: Final answer
    x = 151,952.70

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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.