Home / 155,478.38-233,218.88-43,167.36

Finding the Fourth Proportional to 155,478.38, 233,218.88 and 43,167.36

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Solution

The fourth proportional to 155,478.38, 233,218.88 and 43,167.36 is: 64,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,478.38 : 233,218.88 = 43,167.36 : x
  2. Step 2: Convert to fraction form
    155,478.38/233,218.88 = 43,167.36/x
  3. Step 3: Cross multiply
    155,478.38x = 233,218.88 × 43,167.36
  4. Step 4: Simplify right side
    155,478.38x = 10,067,443,135.92
  5. Step 5: Solve for x
    x = 10,067,443,135.92/155,478.38
  6. Step 6: Final answer
    x = 64,751.40

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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.