Home / 114,147.40-157,487.70-68,839.24

Finding the Fourth Proportional to 114,147.40, 157,487.70 and 68,839.24

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Solution

The fourth proportional to 114,147.40, 157,487.70 and 68,839.24 is: 94,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,147.40 : 157,487.70 = 68,839.24 : x
  2. Step 2: Convert to fraction form
    114,147.40/157,487.70 = 68,839.24/x
  3. Step 3: Cross multiply
    114,147.40x = 157,487.70 × 68,839.24
  4. Step 4: Simplify right side
    114,147.40x = 10,841,333,441.78
  5. Step 5: Solve for x
    x = 10,841,333,441.78/114,147.40
  6. Step 6: Final answer
    x = 94,976.62

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1.5x scale

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.