Home / 382,283.06-527,488.53-212,512.82

Finding the Fourth Proportional to 382,283.06, 527,488.53 and 212,512.82

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Solution

The fourth proportional to 382,283.06, 527,488.53 and 212,512.82 is: 293,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,283.06 : 527,488.53 = 212,512.82 : x
  2. Step 2: Convert to fraction form
    382,283.06/527,488.53 = 212,512.82/x
  3. Step 3: Cross multiply
    382,283.06x = 527,488.53 × 212,512.82
  4. Step 4: Simplify right side
    382,283.06x = 112,098,075,027.96
  5. Step 5: Solve for x
    x = 112,098,075,027.96/382,283.06
  6. Step 6: Final answer
    x = 293,233.17

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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.