Home / 296,787.78-409,567.32-160,822.80

Finding the Fourth Proportional to 296,787.78, 409,567.32 and 160,822.80

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Solution

The fourth proportional to 296,787.78, 409,567.32 and 160,822.80 is: 221,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,787.78 : 409,567.32 = 160,822.80 : x
  2. Step 2: Convert to fraction form
    296,787.78/409,567.32 = 160,822.80/x
  3. Step 3: Cross multiply
    296,787.78x = 409,567.32 × 160,822.80
  4. Step 4: Simplify right side
    296,787.78x = 65,867,763,190.90
  5. Step 5: Solve for x
    x = 65,867,763,190.90/296,787.78
  6. Step 6: Final answer
    x = 221,935.56

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1.5x scale

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.