Home / 205,176.12-283,157.28-114,549.90

Finding the Fourth Proportional to 205,176.12, 283,157.28 and 114,549.90

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Solution

The fourth proportional to 205,176.12, 283,157.28 and 114,549.90 is: 158,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,176.12 : 283,157.28 = 114,549.90 : x
  2. Step 2: Convert to fraction form
    205,176.12/283,157.28 = 114,549.90/x
  3. Step 3: Cross multiply
    205,176.12x = 283,157.28 × 114,549.90
  4. Step 4: Simplify right side
    205,176.12x = 32,435,638,108.27
  5. Step 5: Solve for x
    x = 32,435,638,108.27/205,176.12
  6. Step 6: Final answer
    x = 158,086.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.