Home / 114,270.11-157,770.68-71,266.40

Finding the Fourth Proportional to 114,270.11, 157,770.68 and 71,266.40

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Solution

The fourth proportional to 114,270.11, 157,770.68 and 71,266.40 is: 98,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,270.11 : 157,770.68 = 71,266.40 : x
  2. Step 2: Convert to fraction form
    114,270.11/157,770.68 = 71,266.40/x
  3. Step 3: Cross multiply
    114,270.11x = 157,770.68 × 71,266.40
  4. Step 4: Simplify right side
    114,270.11x = 11,243,747,243.97
  5. Step 5: Solve for x
    x = 11,243,747,243.97/114,270.11
  6. Step 6: Final answer
    x = 98,396.23

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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.