Home / 151,906.01-209,623.92-87,370.35

Finding the Fourth Proportional to 151,906.01, 209,623.92 and 87,370.35

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Solution

The fourth proportional to 151,906.01, 209,623.92 and 87,370.35 is: 120,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,906.01 : 209,623.92 = 87,370.35 : x
  2. Step 2: Convert to fraction form
    151,906.01/209,623.92 = 87,370.35/x
  3. Step 3: Cross multiply
    151,906.01x = 209,623.92 × 87,370.35
  4. Step 4: Simplify right side
    151,906.01x = 18,314,915,258.77
  5. Step 5: Solve for x
    x = 18,314,915,258.77/151,906.01
  6. Step 6: Final answer
    x = 120,567.42

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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.