Home / 148,979.92-223,435.32-55,529.68

Finding the Fourth Proportional to 148,979.92, 223,435.32 and 55,529.68

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Solution

The fourth proportional to 148,979.92, 223,435.32 and 55,529.68 is: 83,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.92 : 223,435.32 = 55,529.68 : x
  2. Step 2: Convert to fraction form
    148,979.92/223,435.32 = 55,529.68/x
  3. Step 3: Cross multiply
    148,979.92x = 223,435.32 × 55,529.68
  4. Step 4: Simplify right side
    148,979.92x = 12,407,291,820.30
  5. Step 5: Solve for x
    x = 12,407,291,820.30/148,979.92
  6. Step 6: Final answer
    x = 83,281.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.