Home / 163,742.60-225,919.42-98,314.43

Finding the Fourth Proportional to 163,742.60, 225,919.42 and 98,314.43

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Solution

The fourth proportional to 163,742.60, 225,919.42 and 98,314.43 is: 135,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,742.60 : 225,919.42 = 98,314.43 : x
  2. Step 2: Convert to fraction form
    163,742.60/225,919.42 = 98,314.43/x
  3. Step 3: Cross multiply
    163,742.60x = 225,919.42 × 98,314.43
  4. Step 4: Simplify right side
    163,742.60x = 22,211,137,627.85
  5. Step 5: Solve for x
    x = 22,211,137,627.85/163,742.60
  6. Step 6: Final answer
    x = 135,646.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.