Home / 105,816.20-158,724.30-101,733.80

Finding the Fourth Proportional to 105,816.20, 158,724.30 and 101,733.80

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Solution

The fourth proportional to 105,816.20, 158,724.30 and 101,733.80 is: 152,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,816.20 : 158,724.30 = 101,733.80 : x
  2. Step 2: Convert to fraction form
    105,816.20/158,724.30 = 101,733.80/x
  3. Step 3: Cross multiply
    105,816.20x = 158,724.30 × 101,733.80
  4. Step 4: Simplify right side
    105,816.20x = 16,147,626,191.34
  5. Step 5: Solve for x
    x = 16,147,626,191.34/105,816.20
  6. Step 6: Final answer
    x = 152,600.70

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1.5x scale

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.