Home / 165,630.12-248,236.92-89,725.74

Finding the Fourth Proportional to 165,630.12, 248,236.92 and 89,725.74

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Solution

The fourth proportional to 165,630.12, 248,236.92 and 89,725.74 is: 134,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.12 : 248,236.92 = 89,725.74 : x
  2. Step 2: Convert to fraction form
    165,630.12/248,236.92 = 89,725.74/x
  3. Step 3: Cross multiply
    165,630.12x = 248,236.92 × 89,725.74
  4. Step 4: Simplify right side
    165,630.12x = 22,273,241,342.32
  5. Step 5: Solve for x
    x = 22,273,241,342.32/165,630.12
  6. Step 6: Final answer
    x = 134,475.79

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1.5x scale

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.