Home / 170,060.80-255,118.20-57,751.60

Finding the Fourth Proportional to 170,060.80, 255,118.20 and 57,751.60

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Solution

The fourth proportional to 170,060.80, 255,118.20 and 57,751.60 is: 86,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,060.80 : 255,118.20 = 57,751.60 : x
  2. Step 2: Convert to fraction form
    170,060.80/255,118.20 = 57,751.60/x
  3. Step 3: Cross multiply
    170,060.80x = 255,118.20 × 57,751.60
  4. Step 4: Simplify right side
    170,060.80x = 14,733,484,239.12
  5. Step 5: Solve for x
    x = 14,733,484,239.12/170,060.80
  6. Step 6: Final answer
    x = 86,636.57

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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.