Home / 161,054.21-222,279.05-115,881.73

Finding the Fourth Proportional to 161,054.21, 222,279.05 and 115,881.73

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Solution

The fourth proportional to 161,054.21, 222,279.05 and 115,881.73 is: 159,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,054.21 : 222,279.05 = 115,881.73 : x
  2. Step 2: Convert to fraction form
    161,054.21/222,279.05 = 115,881.73/x
  3. Step 3: Cross multiply
    161,054.21x = 222,279.05 × 115,881.73
  4. Step 4: Simplify right side
    161,054.21x = 25,758,080,590.76
  5. Step 5: Solve for x
    x = 25,758,080,590.76/161,054.21
  6. Step 6: Final answer
    x = 159,934.22

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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.