Home / 171,126.42-256,726.23-51,192.78

Finding the Fourth Proportional to 171,126.42, 256,726.23 and 51,192.78

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Solution

The fourth proportional to 171,126.42, 256,726.23 and 51,192.78 is: 76,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,126.42 : 256,726.23 = 51,192.78 : x
  2. Step 2: Convert to fraction form
    171,126.42/256,726.23 = 51,192.78/x
  3. Step 3: Cross multiply
    171,126.42x = 256,726.23 × 51,192.78
  4. Step 4: Simplify right side
    171,126.42x = 13,142,529,412.62
  5. Step 5: Solve for x
    x = 13,142,529,412.62/171,126.42
  6. Step 6: Final answer
    x = 76,800.12

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1.5x scale

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.