Home / 165,122.10-227,938.25-111,479.77

Finding the Fourth Proportional to 165,122.10, 227,938.25 and 111,479.77

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Solution

The fourth proportional to 165,122.10, 227,938.25 and 111,479.77 is: 153,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,122.10 : 227,938.25 = 111,479.77 : x
  2. Step 2: Convert to fraction form
    165,122.10/227,938.25 = 111,479.77/x
  3. Step 3: Cross multiply
    165,122.10x = 227,938.25 × 111,479.77
  4. Step 4: Simplify right side
    165,122.10x = 25,410,503,684.20
  5. Step 5: Solve for x
    x = 25,410,503,684.20/165,122.10
  6. Step 6: Final answer
    x = 153,889.17

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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.