Home / 162,205.23-223,843.70-90,587.97

Finding the Fourth Proportional to 162,205.23, 223,843.70 and 90,587.97

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Solution

The fourth proportional to 162,205.23, 223,843.70 and 90,587.97 is: 125,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,205.23 : 223,843.70 = 90,587.97 : x
  2. Step 2: Convert to fraction form
    162,205.23/223,843.70 = 90,587.97/x
  3. Step 3: Cross multiply
    162,205.23x = 223,843.70 × 90,587.97
  4. Step 4: Simplify right side
    162,205.23x = 20,277,546,606.76
  5. Step 5: Solve for x
    x = 20,277,546,606.76/162,205.23
  6. Step 6: Final answer
    x = 125,011.67

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1.5x scale

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.