Home / 112,524.36-168,638.88-82,803.06

Finding the Fourth Proportional to 112,524.36, 168,638.88 and 82,803.06

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Solution

The fourth proportional to 112,524.36, 168,638.88 and 82,803.06 is: 124,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,524.36 : 168,638.88 = 82,803.06 : x
  2. Step 2: Convert to fraction form
    112,524.36/168,638.88 = 82,803.06/x
  3. Step 3: Cross multiply
    112,524.36x = 168,638.88 × 82,803.06
  4. Step 4: Simplify right side
    112,524.36x = 13,963,815,298.97
  5. Step 5: Solve for x
    x = 13,963,815,298.97/112,524.36
  6. Step 6: Final answer
    x = 124,095.93

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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.