Home / 112,200.28-168,053.16-92,745.16

Finding the Fourth Proportional to 112,200.28, 168,053.16 and 92,745.16

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Solution

The fourth proportional to 112,200.28, 168,053.16 and 92,745.16 is: 138,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.28 : 168,053.16 = 92,745.16 : x
  2. Step 2: Convert to fraction form
    112,200.28/168,053.16 = 92,745.16/x
  3. Step 3: Cross multiply
    112,200.28x = 168,053.16 × 92,745.16
  4. Step 4: Simplify right side
    112,200.28x = 15,586,117,212.71
  5. Step 5: Solve for x
    x = 15,586,117,212.71/112,200.28
  6. Step 6: Final answer
    x = 138,913.35

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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.