Home / 165,507.52-228,398.16-90,055.84

Finding the Fourth Proportional to 165,507.52, 228,398.16 and 90,055.84

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Solution

The fourth proportional to 165,507.52, 228,398.16 and 90,055.84 is: 124,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,507.52 : 228,398.16 = 90,055.84 : x
  2. Step 2: Convert to fraction form
    165,507.52/228,398.16 = 90,055.84/x
  3. Step 3: Cross multiply
    165,507.52x = 228,398.16 × 90,055.84
  4. Step 4: Simplify right side
    165,507.52x = 20,568,588,153.25
  5. Step 5: Solve for x
    x = 20,568,588,153.25/165,507.52
  6. Step 6: Final answer
    x = 124,275.85

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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.