Home / 114,144.40-157,192.68-82,262.80

Finding the Fourth Proportional to 114,144.40, 157,192.68 and 82,262.80

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Solution

The fourth proportional to 114,144.40, 157,192.68 and 82,262.80 is: 113,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,144.40 : 157,192.68 = 82,262.80 : x
  2. Step 2: Convert to fraction form
    114,144.40/157,192.68 = 82,262.80/x
  3. Step 3: Cross multiply
    114,144.40x = 157,192.68 × 82,262.80
  4. Step 4: Simplify right side
    114,144.40x = 12,931,109,996.30
  5. Step 5: Solve for x
    x = 12,931,109,996.30/114,144.40
  6. Step 6: Final answer
    x = 113,287.29

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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.