Home / 275,066.11-379,715.58-173,241.22

Finding the Fourth Proportional to 275,066.11, 379,715.58 and 173,241.22

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Solution

The fourth proportional to 275,066.11, 379,715.58 and 173,241.22 is: 239,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,066.11 : 379,715.58 = 173,241.22 : x
  2. Step 2: Convert to fraction form
    275,066.11/379,715.58 = 173,241.22/x
  3. Step 3: Cross multiply
    275,066.11x = 379,715.58 × 173,241.22
  4. Step 4: Simplify right side
    275,066.11x = 65,782,390,332.21
  5. Step 5: Solve for x
    x = 65,782,390,332.21/275,066.11
  6. Step 6: Final answer
    x = 239,151.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.