Home / 105,818.20-158,727.30-101,735.80

Finding the Fourth Proportional to 105,818.20, 158,727.30 and 101,735.80

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Solution

The fourth proportional to 105,818.20, 158,727.30 and 101,735.80 is: 152,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,818.20 : 158,727.30 = 101,735.80 : x
  2. Step 2: Convert to fraction form
    105,818.20/158,727.30 = 101,735.80/x
  3. Step 3: Cross multiply
    105,818.20x = 158,727.30 × 101,735.80
  4. Step 4: Simplify right side
    105,818.20x = 16,148,248,847.34
  5. Step 5: Solve for x
    x = 16,148,248,847.34/105,818.20
  6. Step 6: Final answer
    x = 152,603.70

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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.