Home / 112,258.20-168,297.85-64,819.48

Finding the Fourth Proportional to 112,258.20, 168,297.85 and 64,819.48

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Solution

The fourth proportional to 112,258.20, 168,297.85 and 64,819.48 is: 97,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.20 : 168,297.85 = 64,819.48 : x
  2. Step 2: Convert to fraction form
    112,258.20/168,297.85 = 64,819.48/x
  3. Step 3: Cross multiply
    112,258.20x = 168,297.85 × 64,819.48
  4. Step 4: Simplify right side
    112,258.20x = 10,908,978,595.03
  5. Step 5: Solve for x
    x = 10,908,978,595.03/112,258.20
  6. Step 6: Final answer
    x = 97,177.57

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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.