Home / 170,625.14-256,094.79-86,443.86

Finding the Fourth Proportional to 170,625.14, 256,094.79 and 86,443.86

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Solution

The fourth proportional to 170,625.14, 256,094.79 and 86,443.86 is: 129,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,625.14 : 256,094.79 = 86,443.86 : x
  2. Step 2: Convert to fraction form
    170,625.14/256,094.79 = 86,443.86/x
  3. Step 3: Cross multiply
    170,625.14x = 256,094.79 × 86,443.86
  4. Step 4: Simplify right side
    170,625.14x = 22,137,822,173.49
  5. Step 5: Solve for x
    x = 22,137,822,173.49/170,625.14
  6. Step 6: Final answer
    x = 129,745.37

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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.