Home / 201,943.80-302,827.14-68,787.36

Finding the Fourth Proportional to 201,943.80, 302,827.14 and 68,787.36

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Solution

The fourth proportional to 201,943.80, 302,827.14 and 68,787.36 is: 103,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,943.80 : 302,827.14 = 68,787.36 : x
  2. Step 2: Convert to fraction form
    201,943.80/302,827.14 = 68,787.36/x
  3. Step 3: Cross multiply
    201,943.80x = 302,827.14 × 68,787.36
  4. Step 4: Simplify right side
    201,943.80x = 20,830,679,496.95
  5. Step 5: Solve for x
    x = 20,830,679,496.95/201,943.80
  6. Step 6: Final answer
    x = 103,150.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.