Home / 494,768.25-742,115.12-157,795.29

Finding the Fourth Proportional to 494,768.25, 742,115.12 and 157,795.29

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Solution

The fourth proportional to 494,768.25, 742,115.12 and 157,795.29 is: 236,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,768.25 : 742,115.12 = 157,795.29 : x
  2. Step 2: Convert to fraction form
    494,768.25/742,115.12 = 157,795.29/x
  3. Step 3: Cross multiply
    494,768.25x = 742,115.12 × 157,795.29
  4. Step 4: Simplify right side
    494,768.25x = 117,102,269,784.81
  5. Step 5: Solve for x
    x = 117,102,269,784.81/494,768.25
  6. Step 6: Final answer
    x = 236,681.05

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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.