Home / 199,444.20-299,166.30-99,619.80

Finding the Fourth Proportional to 199,444.20, 299,166.30 and 99,619.80

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Solution

The fourth proportional to 199,444.20, 299,166.30 and 99,619.80 is: 149,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,444.20 : 299,166.30 = 99,619.80 : x
  2. Step 2: Convert to fraction form
    199,444.20/299,166.30 = 99,619.80/x
  3. Step 3: Cross multiply
    199,444.20x = 299,166.30 × 99,619.80
  4. Step 4: Simplify right side
    199,444.20x = 29,802,886,972.74
  5. Step 5: Solve for x
    x = 29,802,886,972.74/199,444.20
  6. Step 6: Final answer
    x = 149,429.70

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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.