Home / 170,081.80-255,219.90-64,976.20

Finding the Fourth Proportional to 170,081.80, 255,219.90 and 64,976.20

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Solution

The fourth proportional to 170,081.80, 255,219.90 and 64,976.20 is: 97,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,081.80 : 255,219.90 = 64,976.20 : x
  2. Step 2: Convert to fraction form
    170,081.80/255,219.90 = 64,976.20/x
  3. Step 3: Cross multiply
    170,081.80x = 255,219.90 × 64,976.20
  4. Step 4: Simplify right side
    170,081.80x = 16,583,219,266.38
  5. Step 5: Solve for x
    x = 16,583,219,266.38/170,081.80
  6. Step 6: Final answer
    x = 97,501.43

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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.