Home / 165,328.60-228,147.12-89,877.10

Finding the Fourth Proportional to 165,328.60, 228,147.12 and 89,877.10

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Solution

The fourth proportional to 165,328.60, 228,147.12 and 89,877.10 is: 124,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,328.60 : 228,147.12 = 89,877.10 : x
  2. Step 2: Convert to fraction form
    165,328.60/228,147.12 = 89,877.10/x
  3. Step 3: Cross multiply
    165,328.60x = 228,147.12 × 89,877.10
  4. Step 4: Simplify right side
    165,328.60x = 20,505,201,518.95
  5. Step 5: Solve for x
    x = 20,505,201,518.95/165,328.60
  6. Step 6: Final answer
    x = 124,026.95

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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.