Home / 100,808.20-151,212.30-41,624.20

Finding the Fourth Proportional to 100,808.20, 151,212.30 and 41,624.20

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Solution

The fourth proportional to 100,808.20, 151,212.30 and 41,624.20 is: 62,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,808.20 : 151,212.30 = 41,624.20 : x
  2. Step 2: Convert to fraction form
    100,808.20/151,212.30 = 41,624.20/x
  3. Step 3: Cross multiply
    100,808.20x = 151,212.30 × 41,624.20
  4. Step 4: Simplify right side
    100,808.20x = 6,294,091,017.66
  5. Step 5: Solve for x
    x = 6,294,091,017.66/100,808.20
  6. Step 6: Final answer
    x = 62,436.30

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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.