Home / 165,125.10-227,942.38-111,482.78

Finding the Fourth Proportional to 165,125.10, 227,942.38 and 111,482.78

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Solution

The fourth proportional to 165,125.10, 227,942.38 and 111,482.78 is: 153,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,125.10 : 227,942.38 = 111,482.78 : x
  2. Step 2: Convert to fraction form
    165,125.10/227,942.38 = 111,482.78/x
  3. Step 3: Cross multiply
    165,125.10x = 227,942.38 × 111,482.78
  4. Step 4: Simplify right side
    165,125.10x = 25,411,650,202.22
  5. Step 5: Solve for x
    x = 25,411,650,202.22/165,125.10
  6. Step 6: Final answer
    x = 153,893.32

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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.