Home / 115,936.80-174,020.40-56,839.20

Finding the Fourth Proportional to 115,936.80, 174,020.40 and 56,839.20

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Solution

The fourth proportional to 115,936.80, 174,020.40 and 56,839.20 is: 85,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,936.80 : 174,020.40 = 56,839.20 : x
  2. Step 2: Convert to fraction form
    115,936.80/174,020.40 = 56,839.20/x
  3. Step 3: Cross multiply
    115,936.80x = 174,020.40 × 56,839.20
  4. Step 4: Simplify right side
    115,936.80x = 9,891,180,319.68
  5. Step 5: Solve for x
    x = 9,891,180,319.68/115,936.80
  6. Step 6: Final answer
    x = 85,315.28

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1.5x scale

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.