Home / 226,902.40-313,557.12-170,215.36

Finding the Fourth Proportional to 226,902.40, 313,557.12 and 170,215.36

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Solution

The fourth proportional to 226,902.40, 313,557.12 and 170,215.36 is: 235,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,902.40 : 313,557.12 = 170,215.36 : x
  2. Step 2: Convert to fraction form
    226,902.40/313,557.12 = 170,215.36/x
  3. Step 3: Cross multiply
    226,902.40x = 313,557.12 × 170,215.36
  4. Step 4: Simplify right side
    226,902.40x = 53,372,238,061.36
  5. Step 5: Solve for x
    x = 53,372,238,061.36/226,902.40
  6. Step 6: Final answer
    x = 235,221.13

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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.