Home / 165,331.60-228,151.24-89,880.12

Finding the Fourth Proportional to 165,331.60, 228,151.24 and 89,880.12

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Solution

The fourth proportional to 165,331.60, 228,151.24 and 89,880.12 is: 124,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,331.60 : 228,151.24 = 89,880.12 : x
  2. Step 2: Convert to fraction form
    165,331.60/228,151.24 = 89,880.12/x
  3. Step 3: Cross multiply
    165,331.60x = 228,151.24 × 89,880.12
  4. Step 4: Simplify right side
    165,331.60x = 20,506,260,829.35
  5. Step 5: Solve for x
    x = 20,506,260,829.35/165,331.60
  6. Step 6: Final answer
    x = 124,031.10

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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.