Home / 305,327.12-457,867.62-92,029.01

Finding the Fourth Proportional to 305,327.12, 457,867.62 and 92,029.01

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Solution

The fourth proportional to 305,327.12, 457,867.62 and 92,029.01 is: 138,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,327.12 : 457,867.62 = 92,029.01 : x
  2. Step 2: Convert to fraction form
    305,327.12/457,867.62 = 92,029.01/x
  3. Step 3: Cross multiply
    305,327.12x = 457,867.62 × 92,029.01
  4. Step 4: Simplify right side
    305,327.12x = 42,137,101,490.32
  5. Step 5: Solve for x
    x = 42,137,101,490.32/305,327.12
  6. Step 6: Final answer
    x = 138,006.42

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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.