Home / 188,740.13-283,149.07-77,932.13

Finding the Fourth Proportional to 188,740.13, 283,149.07 and 77,932.13

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Solution

The fourth proportional to 188,740.13, 283,149.07 and 77,932.13 is: 116,914.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,740.13 : 283,149.07 = 77,932.13 : x
  2. Step 2: Convert to fraction form
    188,740.13/283,149.07 = 77,932.13/x
  3. Step 3: Cross multiply
    188,740.13x = 283,149.07 × 77,932.13
  4. Step 4: Simplify right side
    188,740.13x = 22,066,408,522.04
  5. Step 5: Solve for x
    x = 22,066,408,522.04/188,740.13
  6. Step 6: Final answer
    x = 116,914.24

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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.