Home / 102,228.24-141,078.11-55,664.19

Finding the Fourth Proportional to 102,228.24, 141,078.11 and 55,664.19

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Solution

The fourth proportional to 102,228.24, 141,078.11 and 55,664.19 is: 76,818.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,228.24 : 141,078.11 = 55,664.19 : x
  2. Step 2: Convert to fraction form
    102,228.24/141,078.11 = 55,664.19/x
  3. Step 3: Cross multiply
    102,228.24x = 141,078.11 × 55,664.19
  4. Step 4: Simplify right side
    102,228.24x = 7,852,998,719.88
  5. Step 5: Solve for x
    x = 7,852,998,719.88/102,228.24
  6. Step 6: Final answer
    x = 76,818.29

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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.