Home / 109,712.20-164,568.30-101,510.95

Finding the Fourth Proportional to 109,712.20, 164,568.30 and 101,510.95

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Solution

The fourth proportional to 109,712.20, 164,568.30 and 101,510.95 is: 152,266.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,712.20 : 164,568.30 = 101,510.95 : x
  2. Step 2: Convert to fraction form
    109,712.20/164,568.30 = 101,510.95/x
  3. Step 3: Cross multiply
    109,712.20x = 164,568.30 × 101,510.95
  4. Step 4: Simplify right side
    109,712.20x = 16,705,484,472.89
  5. Step 5: Solve for x
    x = 16,705,484,472.89/109,712.20
  6. Step 6: Final answer
    x = 152,266.43

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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.