Home / 112,164.72-168,263.76-40,112.16

Finding the Fourth Proportional to 112,164.72, 168,263.76 and 40,112.16

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Solution

The fourth proportional to 112,164.72, 168,263.76 and 40,112.16 is: 60,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164.72 : 168,263.76 = 40,112.16 : x
  2. Step 2: Convert to fraction form
    112,164.72/168,263.76 = 40,112.16/x
  3. Step 3: Cross multiply
    112,164.72x = 168,263.76 × 40,112.16
  4. Step 4: Simplify right side
    112,164.72x = 6,749,422,863.32
  5. Step 5: Solve for x
    x = 6,749,422,863.32/112,164.72
  6. Step 6: Final answer
    x = 60,174.21

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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.