Home / 199,618.20-299,225.70-99,624.60

Finding the Fourth Proportional to 199,618.20, 299,225.70 and 99,624.60

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Solution

The fourth proportional to 199,618.20, 299,225.70 and 99,624.60 is: 149,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,618.20 : 299,225.70 = 99,624.60 : x
  2. Step 2: Convert to fraction form
    199,618.20/299,225.70 = 99,624.60/x
  3. Step 3: Cross multiply
    199,618.20x = 299,225.70 × 99,624.60
  4. Step 4: Simplify right side
    199,618.20x = 29,810,240,672.22
  5. Step 5: Solve for x
    x = 29,810,240,672.22/199,618.20
  6. Step 6: Final answer
    x = 149,336.29

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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.