Home / 159,767.54-221,411.24-157,512.50

Finding the Fourth Proportional to 159,767.54, 221,411.24 and 157,512.50

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Solution

The fourth proportional to 159,767.54, 221,411.24 and 157,512.50 is: 218,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767.54 : 221,411.24 = 157,512.50 : x
  2. Step 2: Convert to fraction form
    159,767.54/221,411.24 = 157,512.50/x
  3. Step 3: Cross multiply
    159,767.54x = 221,411.24 × 157,512.50
  4. Step 4: Simplify right side
    159,767.54x = 34,875,037,940.50
  5. Step 5: Solve for x
    x = 34,875,037,940.50/159,767.54
  6. Step 6: Final answer
    x = 218,286.13

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.