Home / 134,787.45-202,345.20-68,193.30

Finding the Fourth Proportional to 134,787.45, 202,345.20 and 68,193.30

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Solution

The fourth proportional to 134,787.45, 202,345.20 and 68,193.30 is: 102,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.45 : 202,345.20 = 68,193.30 : x
  2. Step 2: Convert to fraction form
    134,787.45/202,345.20 = 68,193.30/x
  3. Step 3: Cross multiply
    134,787.45x = 202,345.20 × 68,193.30
  4. Step 4: Simplify right side
    134,787.45x = 13,798,586,927.16
  5. Step 5: Solve for x
    x = 13,798,586,927.16/134,787.45
  6. Step 6: Final answer
    x = 102,372.94

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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.