Home / 320,329.31-441,981.11-191,242.66

Finding the Fourth Proportional to 320,329.31, 441,981.11 and 191,242.66

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Solution

The fourth proportional to 320,329.31, 441,981.11 and 191,242.66 is: 263,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,329.31 : 441,981.11 = 191,242.66 : x
  2. Step 2: Convert to fraction form
    320,329.31/441,981.11 = 191,242.66/x
  3. Step 3: Cross multiply
    320,329.31x = 441,981.11 × 191,242.66
  4. Step 4: Simplify right side
    320,329.31x = 84,525,643,146.15
  5. Step 5: Solve for x
    x = 84,525,643,146.15/320,329.31
  6. Step 6: Final answer
    x = 263,871.09

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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.