Home / 313,718.03-432,922.15-170,473.31

Finding the Fourth Proportional to 313,718.03, 432,922.15 and 170,473.31

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Solution

The fourth proportional to 313,718.03, 432,922.15 and 170,473.31 is: 235,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,718.03 : 432,922.15 = 170,473.31 : x
  2. Step 2: Convert to fraction form
    313,718.03/432,922.15 = 170,473.31/x
  3. Step 3: Cross multiply
    313,718.03x = 432,922.15 × 170,473.31
  4. Step 4: Simplify right side
    313,718.03x = 73,801,671,882.82
  5. Step 5: Solve for x
    x = 73,801,671,882.82/313,718.03
  6. Step 6: Final answer
    x = 235,248.42

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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.