Home / 494,724.50-742,207.53-157,765.16

Finding the Fourth Proportional to 494,724.50, 742,207.53 and 157,765.16

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Solution

The fourth proportional to 494,724.50, 742,207.53 and 157,765.16 is: 236,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,724.50 : 742,207.53 = 157,765.16 : x
  2. Step 2: Convert to fraction form
    494,724.50/742,207.53 = 157,765.16/x
  3. Step 3: Cross multiply
    494,724.50x = 742,207.53 × 157,765.16
  4. Step 4: Simplify right side
    494,724.50x = 117,094,489,723.66
  5. Step 5: Solve for x
    x = 117,094,489,723.66/494,724.50
  6. Step 6: Final answer
    x = 236,686.26

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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.