Home / 151,600.16-209,228.32-87,924.80

Finding the Fourth Proportional to 151,600.16, 209,228.32 and 87,924.80

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Solution

The fourth proportional to 151,600.16, 209,228.32 and 87,924.80 is: 121,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600.16 : 209,228.32 = 87,924.80 : x
  2. Step 2: Convert to fraction form
    151,600.16/209,228.32 = 87,924.80/x
  3. Step 3: Cross multiply
    151,600.16x = 209,228.32 × 87,924.80
  4. Step 4: Simplify right side
    151,600.16x = 18,396,358,190.34
  5. Step 5: Solve for x
    x = 18,396,358,190.34/151,600.16
  6. Step 6: Final answer
    x = 121,347.88

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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.