Home / 286,030.14-394,721.58-158,706.66

Finding the Fourth Proportional to 286,030.14, 394,721.58 and 158,706.66

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Solution

The fourth proportional to 286,030.14, 394,721.58 and 158,706.66 is: 219,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,030.14 : 394,721.58 = 158,706.66 : x
  2. Step 2: Convert to fraction form
    286,030.14/394,721.58 = 158,706.66/x
  3. Step 3: Cross multiply
    286,030.14x = 394,721.58 × 158,706.66
  4. Step 4: Simplify right side
    286,030.14x = 62,644,943,591.72
  5. Step 5: Solve for x
    x = 62,644,943,591.72/286,030.14
  6. Step 6: Final answer
    x = 219,015.18

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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.