Home / 170,754.40-256,107.30-58,439.80

Finding the Fourth Proportional to 170,754.40, 256,107.30 and 58,439.80

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Solution

The fourth proportional to 170,754.40, 256,107.30 and 58,439.80 is: 87,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,754.40 : 256,107.30 = 58,439.80 : x
  2. Step 2: Convert to fraction form
    170,754.40/256,107.30 = 58,439.80/x
  3. Step 3: Cross multiply
    170,754.40x = 256,107.30 × 58,439.80
  4. Step 4: Simplify right side
    170,754.40x = 14,966,859,390.54
  5. Step 5: Solve for x
    x = 14,966,859,390.54/170,754.40
  6. Step 6: Final answer
    x = 87,651.38

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1.5x scale

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.