Home / 199,630.04-299,496.90-99,786.20

Finding the Fourth Proportional to 199,630.04, 299,496.90 and 99,786.20

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Solution

The fourth proportional to 199,630.04, 299,496.90 and 99,786.20 is: 149,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,630.04 : 299,496.90 = 99,786.20 : x
  2. Step 2: Convert to fraction form
    199,630.04/299,496.90 = 99,786.20/x
  3. Step 3: Cross multiply
    199,630.04x = 299,496.90 × 99,786.20
  4. Step 4: Simplify right side
    199,630.04x = 29,885,656,065.30
  5. Step 5: Solve for x
    x = 29,885,656,065.30/199,630.04
  6. Step 6: Final answer
    x = 149,705.21

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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.