Home / 319,883.13-441,140.85-212,348.34

Finding the Fourth Proportional to 319,883.13, 441,140.85 and 212,348.34

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Solution

The fourth proportional to 319,883.13, 441,140.85 and 212,348.34 is: 292,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,883.13 : 441,140.85 = 212,348.34 : x
  2. Step 2: Convert to fraction form
    319,883.13/441,140.85 = 212,348.34/x
  3. Step 3: Cross multiply
    319,883.13x = 441,140.85 × 212,348.34
  4. Step 4: Simplify right side
    319,883.13x = 93,675,527,203.69
  5. Step 5: Solve for x
    x = 93,675,527,203.69/319,883.13
  6. Step 6: Final answer
    x = 292,842.97

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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.