Home / 161,155.31-222,215.06-110,176.34

Finding the Fourth Proportional to 161,155.31, 222,215.06 and 110,176.34

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Solution

The fourth proportional to 161,155.31, 222,215.06 and 110,176.34 is: 151,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,155.31 : 222,215.06 = 110,176.34 : x
  2. Step 2: Convert to fraction form
    161,155.31/222,215.06 = 110,176.34/x
  3. Step 3: Cross multiply
    161,155.31x = 222,215.06 × 110,176.34
  4. Step 4: Simplify right side
    161,155.31x = 24,482,841,452.80
  5. Step 5: Solve for x
    x = 24,482,841,452.80/161,155.31
  6. Step 6: Final answer
    x = 151,920.79

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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.