Home / 165,768.22-228,760.02-90,316.72

Finding the Fourth Proportional to 165,768.22, 228,760.02 and 90,316.72

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Solution

The fourth proportional to 165,768.22, 228,760.02 and 90,316.72 is: 124,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,768.22 : 228,760.02 = 90,316.72 : x
  2. Step 2: Convert to fraction form
    165,768.22/228,760.02 = 90,316.72/x
  3. Step 3: Cross multiply
    165,768.22x = 228,760.02 × 90,316.72
  4. Step 4: Simplify right side
    165,768.22x = 20,660,854,673.53
  5. Step 5: Solve for x
    x = 20,660,854,673.53/165,768.22
  6. Step 6: Final answer
    x = 124,637.01

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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.