Home / 179,788.92-247,971.41-111,808.76

Finding the Fourth Proportional to 179,788.92, 247,971.41 and 111,808.76

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Solution

The fourth proportional to 179,788.92, 247,971.41 and 111,808.76 is: 154,210.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,788.92 : 247,971.41 = 111,808.76 : x
  2. Step 2: Convert to fraction form
    179,788.92/247,971.41 = 111,808.76/x
  3. Step 3: Cross multiply
    179,788.92x = 247,971.41 × 111,808.76
  4. Step 4: Simplify right side
    179,788.92x = 27,725,374,487.93
  5. Step 5: Solve for x
    x = 27,725,374,487.93/179,788.92
  6. Step 6: Final answer
    x = 154,210.70

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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.