Home / 155,461.78-233,198.70-48,918.40

Finding the Fourth Proportional to 155,461.78, 233,198.70 and 48,918.40

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Solution

The fourth proportional to 155,461.78, 233,198.70 and 48,918.40 is: 73,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,461.78 : 233,198.70 = 48,918.40 : x
  2. Step 2: Convert to fraction form
    155,461.78/233,198.70 = 48,918.40/x
  3. Step 3: Cross multiply
    155,461.78x = 233,198.70 × 48,918.40
  4. Step 4: Simplify right side
    155,461.78x = 11,407,707,286.08
  5. Step 5: Solve for x
    x = 11,407,707,286.08/155,461.78
  6. Step 6: Final answer
    x = 73,379.50

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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.