Home / 170,216.20-255,248.80-64,961.56

Finding the Fourth Proportional to 170,216.20, 255,248.80 and 64,961.56

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Solution

The fourth proportional to 170,216.20, 255,248.80 and 64,961.56 is: 97,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,216.20 : 255,248.80 = 64,961.56 : x
  2. Step 2: Convert to fraction form
    170,216.20/255,248.80 = 64,961.56/x
  3. Step 3: Cross multiply
    170,216.20x = 255,248.80 × 64,961.56
  4. Step 4: Simplify right side
    170,216.20x = 16,581,360,236.13
  5. Step 5: Solve for x
    x = 16,581,360,236.13/170,216.20
  6. Step 6: Final answer
    x = 97,413.53

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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.