Home / 161,135.10-222,162.06-115,250.01

Finding the Fourth Proportional to 161,135.10, 222,162.06 and 115,250.01

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Solution

The fourth proportional to 161,135.10, 222,162.06 and 115,250.01 is: 158,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,135.10 : 222,162.06 = 115,250.01 : x
  2. Step 2: Convert to fraction form
    161,135.10/222,162.06 = 115,250.01/x
  3. Step 3: Cross multiply
    161,135.10x = 222,162.06 × 115,250.01
  4. Step 4: Simplify right side
    161,135.10x = 25,604,179,636.62
  5. Step 5: Solve for x
    x = 25,604,179,636.62/161,135.10
  6. Step 6: Final answer
    x = 158,898.83

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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.