Home / 170,206.55-255,235.94-57,856.57

Finding the Fourth Proportional to 170,206.55, 255,235.94 and 57,856.57

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Solution

The fourth proportional to 170,206.55, 255,235.94 and 57,856.57 is: 86,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,206.55 : 255,235.94 = 57,856.57 : x
  2. Step 2: Convert to fraction form
    170,206.55/255,235.94 = 57,856.57/x
  3. Step 3: Cross multiply
    170,206.55x = 255,235.94 × 57,856.57
  4. Step 4: Simplify right side
    170,206.55x = 14,767,076,029.13
  5. Step 5: Solve for x
    x = 14,767,076,029.13/170,206.55
  6. Step 6: Final answer
    x = 86,759.74

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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.