Home / 111,298.08-167,056.44-81,631.44

Finding the Fourth Proportional to 111,298.08, 167,056.44 and 81,631.44

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Solution

The fourth proportional to 111,298.08, 167,056.44 and 81,631.44 is: 122,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,298.08 : 167,056.44 = 81,631.44 : x
  2. Step 2: Convert to fraction form
    111,298.08/167,056.44 = 81,631.44/x
  3. Step 3: Cross multiply
    111,298.08x = 167,056.44 × 81,631.44
  4. Step 4: Simplify right side
    111,298.08x = 13,637,057,758.47
  5. Step 5: Solve for x
    x = 13,637,057,758.47/111,298.08
  6. Step 6: Final answer
    x = 122,527.34

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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.