Home / 165,773.63-228,767.60-90,322.13

Finding the Fourth Proportional to 165,773.63, 228,767.60 and 90,322.13

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Solution

The fourth proportional to 165,773.63, 228,767.60 and 90,322.13 is: 124,644.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,773.63 : 228,767.60 = 90,322.13 : x
  2. Step 2: Convert to fraction form
    165,773.63/228,767.60 = 90,322.13/x
  3. Step 3: Cross multiply
    165,773.63x = 228,767.60 × 90,322.13
  4. Step 4: Simplify right side
    165,773.63x = 20,662,775,988.96
  5. Step 5: Solve for x
    x = 20,662,775,988.96/165,773.63
  6. Step 6: Final answer
    x = 124,644.53

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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.