Home / 188,009.18-281,579.34-112,963.90

Finding the Fourth Proportional to 188,009.18, 281,579.34 and 112,963.90

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Solution

The fourth proportional to 188,009.18, 281,579.34 and 112,963.90 is: 169,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,009.18 : 281,579.34 = 112,963.90 : x
  2. Step 2: Convert to fraction form
    188,009.18/281,579.34 = 112,963.90/x
  3. Step 3: Cross multiply
    188,009.18x = 281,579.34 × 112,963.90
  4. Step 4: Simplify right side
    188,009.18x = 31,808,300,018.03
  5. Step 5: Solve for x
    x = 31,808,300,018.03/188,009.18
  6. Step 6: Final answer
    x = 169,184.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.