Home / 199,412.20-298,715.10-124,301.80

Finding the Fourth Proportional to 199,412.20, 298,715.10 and 124,301.80

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Solution

The fourth proportional to 199,412.20, 298,715.10 and 124,301.80 is: 186,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,412.20 : 298,715.10 = 124,301.80 : x
  2. Step 2: Convert to fraction form
    199,412.20/298,715.10 = 124,301.80/x
  3. Step 3: Cross multiply
    199,412.20x = 298,715.10 × 124,301.80
  4. Step 4: Simplify right side
    199,412.20x = 37,130,824,617.18
  5. Step 5: Solve for x
    x = 37,130,824,617.18/199,412.20
  6. Step 6: Final answer
    x = 186,201.37

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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.