Home / 170,756.55-256,090.19-50,781.20

Finding the Fourth Proportional to 170,756.55, 256,090.19 and 50,781.20

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Solution

The fourth proportional to 170,756.55, 256,090.19 and 50,781.20 is: 76,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,756.55 : 256,090.19 = 50,781.20 : x
  2. Step 2: Convert to fraction form
    170,756.55/256,090.19 = 50,781.20/x
  3. Step 3: Cross multiply
    170,756.55x = 256,090.19 × 50,781.20
  4. Step 4: Simplify right side
    170,756.55x = 13,004,565,622.07
  5. Step 5: Solve for x
    x = 13,004,565,622.07/170,756.55
  6. Step 6: Final answer
    x = 76,158.52

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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.