Home / 170,964.80-256,475.04-52,636.16

Finding the Fourth Proportional to 170,964.80, 256,475.04 and 52,636.16

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Solution

The fourth proportional to 170,964.80, 256,475.04 and 52,636.16 is: 78,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,964.80 : 256,475.04 = 52,636.16 : x
  2. Step 2: Convert to fraction form
    170,964.80/256,475.04 = 52,636.16/x
  3. Step 3: Cross multiply
    170,964.80x = 256,475.04 × 52,636.16
  4. Step 4: Simplify right side
    170,964.80x = 13,499,861,241.45
  5. Step 5: Solve for x
    x = 13,499,861,241.45/170,964.80
  6. Step 6: Final answer
    x = 78,962.81

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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.