Home / 165,176.64-227,940.48-89,725.68

Finding the Fourth Proportional to 165,176.64, 227,940.48 and 89,725.68

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Solution

The fourth proportional to 165,176.64, 227,940.48 and 89,725.68 is: 123,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,176.64 : 227,940.48 = 89,725.68 : x
  2. Step 2: Convert to fraction form
    165,176.64/227,940.48 = 89,725.68/x
  3. Step 3: Cross multiply
    165,176.64x = 227,940.48 × 89,725.68
  4. Step 4: Simplify right side
    165,176.64x = 20,452,114,567.53
  5. Step 5: Solve for x
    x = 20,452,114,567.53/165,176.64
  6. Step 6: Final answer
    x = 123,819.65

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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.