Home / 104,850.96-157,136.16-38,228.40

Finding the Fourth Proportional to 104,850.96, 157,136.16 and 38,228.40

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Solution

The fourth proportional to 104,850.96, 157,136.16 and 38,228.40 is: 57,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,850.96 : 157,136.16 = 38,228.40 : x
  2. Step 2: Convert to fraction form
    104,850.96/157,136.16 = 38,228.40/x
  3. Step 3: Cross multiply
    104,850.96x = 157,136.16 × 38,228.40
  4. Step 4: Simplify right side
    104,850.96x = 6,007,063,978.94
  5. Step 5: Solve for x
    x = 6,007,063,978.94/104,850.96
  6. Step 6: Final answer
    x = 57,291.45

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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.