Home / 516,276.08-774,386.28-161,249.36

Finding the Fourth Proportional to 516,276.08, 774,386.28 and 161,249.36

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Solution

The fourth proportional to 516,276.08, 774,386.28 and 161,249.36 is: 241,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,276.08 : 774,386.28 = 161,249.36 : x
  2. Step 2: Convert to fraction form
    516,276.08/774,386.28 = 161,249.36/x
  3. Step 3: Cross multiply
    516,276.08x = 774,386.28 × 161,249.36
  4. Step 4: Simplify right side
    516,276.08x = 124,869,292,042.78
  5. Step 5: Solve for x
    x = 124,869,292,042.78/516,276.08
  6. Step 6: Final answer
    x = 241,865.34

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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.