Home / 188,116.12-259,607.72-103,236.24

Finding the Fourth Proportional to 188,116.12, 259,607.72 and 103,236.24

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Solution

The fourth proportional to 188,116.12, 259,607.72 and 103,236.24 is: 142,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,116.12 : 259,607.72 = 103,236.24 : x
  2. Step 2: Convert to fraction form
    188,116.12/259,607.72 = 103,236.24/x
  3. Step 3: Cross multiply
    188,116.12x = 259,607.72 × 103,236.24
  4. Step 4: Simplify right side
    188,116.12x = 26,800,924,887.77
  5. Step 5: Solve for x
    x = 26,800,924,887.77/188,116.12
  6. Step 6: Final answer
    x = 142,470.11

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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.