Home / 188,678.39-283,066.79-70,350.75

Finding the Fourth Proportional to 188,678.39, 283,066.79 and 70,350.75

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Solution

The fourth proportional to 188,678.39, 283,066.79 and 70,350.75 is: 105,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,678.39 : 283,066.79 = 70,350.75 : x
  2. Step 2: Convert to fraction form
    188,678.39/283,066.79 = 70,350.75/x
  3. Step 3: Cross multiply
    188,678.39x = 283,066.79 × 70,350.75
  4. Step 4: Simplify right side
    188,678.39x = 19,913,960,624.84
  5. Step 5: Solve for x
    x = 19,913,960,624.84/188,678.39
  6. Step 6: Final answer
    x = 105,544.47

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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.