Home / 283,607.32-425,409.78-115,126.22

Finding the Fourth Proportional to 283,607.32, 425,409.78 and 115,126.22

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Solution

The fourth proportional to 283,607.32, 425,409.78 and 115,126.22 is: 172,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,607.32 : 425,409.78 = 115,126.22 : x
  2. Step 2: Convert to fraction form
    283,607.32/425,409.78 = 115,126.22/x
  3. Step 3: Cross multiply
    283,607.32x = 425,409.78 × 115,126.22
  4. Step 4: Simplify right side
    283,607.32x = 48,975,819,922.43
  5. Step 5: Solve for x
    x = 48,975,819,922.43/283,607.32
  6. Step 6: Final answer
    x = 172,688.84

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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.