Home / 114,775.20-158,389.62-63,786.31

Finding the Fourth Proportional to 114,775.20, 158,389.62 and 63,786.31

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Solution

The fourth proportional to 114,775.20, 158,389.62 and 63,786.31 is: 88,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,775.20 : 158,389.62 = 63,786.31 : x
  2. Step 2: Convert to fraction form
    114,775.20/158,389.62 = 63,786.31/x
  3. Step 3: Cross multiply
    114,775.20x = 158,389.62 × 63,786.31
  4. Step 4: Simplify right side
    114,775.20x = 10,103,089,402.10
  5. Step 5: Solve for x
    x = 10,103,089,402.10/114,775.20
  6. Step 6: Final answer
    x = 88,025.02

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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.