Home / 199,452.24-299,090.70-74,705.76

Finding the Fourth Proportional to 199,452.24, 299,090.70 and 74,705.76

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Solution

The fourth proportional to 199,452.24, 299,090.70 and 74,705.76 is: 112,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,452.24 : 299,090.70 = 74,705.76 : x
  2. Step 2: Convert to fraction form
    199,452.24/299,090.70 = 74,705.76/x
  3. Step 3: Cross multiply
    199,452.24x = 299,090.70 × 74,705.76
  4. Step 4: Simplify right side
    199,452.24x = 22,343,798,052.43
  5. Step 5: Solve for x
    x = 22,343,798,052.43/199,452.24
  6. Step 6: Final answer
    x = 112,025.81

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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.