Home / 179,253.09-247,372.11-102,778.92

Finding the Fourth Proportional to 179,253.09, 247,372.11 and 102,778.92

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Solution

The fourth proportional to 179,253.09, 247,372.11 and 102,778.92 is: 141,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,253.09 : 247,372.11 = 102,778.92 : x
  2. Step 2: Convert to fraction form
    179,253.09/247,372.11 = 102,778.92/x
  3. Step 3: Cross multiply
    179,253.09x = 247,372.11 × 102,778.92
  4. Step 4: Simplify right side
    179,253.09x = 25,424,638,303.92
  5. Step 5: Solve for x
    x = 25,424,638,303.92/179,253.09
  6. Step 6: Final answer
    x = 141,836.54

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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.