Home / 113,520.32-170,018.04-109,583.72

Finding the Fourth Proportional to 113,520.32, 170,018.04 and 109,583.72

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Solution

The fourth proportional to 113,520.32, 170,018.04 and 109,583.72 is: 164,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,520.32 : 170,018.04 = 109,583.72 : x
  2. Step 2: Convert to fraction form
    113,520.32/170,018.04 = 109,583.72/x
  3. Step 3: Cross multiply
    113,520.32x = 170,018.04 × 109,583.72
  4. Step 4: Simplify right side
    113,520.32x = 18,631,209,290.31
  5. Step 5: Solve for x
    x = 18,631,209,290.31/113,520.32
  6. Step 6: Final answer
    x = 164,122.24

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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.