Home / 155,464.47-233,218.58-76,579.38

Finding the Fourth Proportional to 155,464.47, 233,218.58 and 76,579.38

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Solution

The fourth proportional to 155,464.47, 233,218.58 and 76,579.38 is: 114,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,464.47 : 233,218.58 = 76,579.38 : x
  2. Step 2: Convert to fraction form
    155,464.47/233,218.58 = 76,579.38/x
  3. Step 3: Cross multiply
    155,464.47x = 233,218.58 × 76,579.38
  4. Step 4: Simplify right side
    155,464.47x = 17,859,733,877.98
  5. Step 5: Solve for x
    x = 17,859,733,877.98/155,464.47
  6. Step 6: Final answer
    x = 114,879.84

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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.