Home / 304,921.28-457,382.93-77,216.77

Finding the Fourth Proportional to 304,921.28, 457,382.93 and 77,216.77

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Solution

The fourth proportional to 304,921.28, 457,382.93 and 77,216.77 is: 115,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,921.28 : 457,382.93 = 77,216.77 : x
  2. Step 2: Convert to fraction form
    304,921.28/457,382.93 = 77,216.77/x
  3. Step 3: Cross multiply
    304,921.28x = 457,382.93 × 77,216.77
  4. Step 4: Simplify right side
    304,921.28x = 35,317,632,693.38
  5. Step 5: Solve for x
    x = 35,317,632,693.38/304,921.28
  6. Step 6: Final answer
    x = 115,825.41

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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.