Home / 165,797.67-228,800.75-90,346.17

Finding the Fourth Proportional to 165,797.67, 228,800.75 and 90,346.17

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Solution

The fourth proportional to 165,797.67, 228,800.75 and 90,346.17 is: 124,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,797.67 : 228,800.75 = 90,346.17 : x
  2. Step 2: Convert to fraction form
    165,797.67/228,800.75 = 90,346.17/x
  3. Step 3: Cross multiply
    165,797.67x = 228,800.75 × 90,346.17
  4. Step 4: Simplify right side
    165,797.67x = 20,671,271,003.90
  5. Step 5: Solve for x
    x = 20,671,271,003.90/165,797.67
  6. Step 6: Final answer
    x = 124,677.69

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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.