Home / 112,446.37-168,533.14-82,587.32

Finding the Fourth Proportional to 112,446.37, 168,533.14 and 82,587.32

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Solution

The fourth proportional to 112,446.37, 168,533.14 and 82,587.32 is: 123,780.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,446.37 : 168,533.14 = 82,587.32 : x
  2. Step 2: Convert to fraction form
    112,446.37/168,533.14 = 82,587.32/x
  3. Step 3: Cross multiply
    112,446.37x = 168,533.14 × 82,587.32
  4. Step 4: Simplify right side
    112,446.37x = 13,918,700,363.78
  5. Step 5: Solve for x
    x = 13,918,700,363.78/112,446.37
  6. Step 6: Final answer
    x = 123,780.79

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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.