Home / 165,767.67-228,760.47-90,316.17

Finding the Fourth Proportional to 165,767.67, 228,760.47 and 90,316.17

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Solution

The fourth proportional to 165,767.67, 228,760.47 and 90,316.17 is: 124,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,767.67 : 228,760.47 = 90,316.17 : x
  2. Step 2: Convert to fraction form
    165,767.67/228,760.47 = 90,316.17/x
  3. Step 3: Cross multiply
    165,767.67x = 228,760.47 × 90,316.17
  4. Step 4: Simplify right side
    165,767.67x = 20,660,769,497.80
  5. Step 5: Solve for x
    x = 20,660,769,497.80/165,767.67
  6. Step 6: Final answer
    x = 124,636.91

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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.