Home / 330,415.32-495,623.37-90,531.27

Finding the Fourth Proportional to 330,415.32, 495,623.37 and 90,531.27

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Solution

The fourth proportional to 330,415.32, 495,623.37 and 90,531.27 is: 135,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,415.32 : 495,623.37 = 90,531.27 : x
  2. Step 2: Convert to fraction form
    330,415.32/495,623.37 = 90,531.27/x
  3. Step 3: Cross multiply
    330,415.32x = 495,623.37 × 90,531.27
  4. Step 4: Simplify right side
    330,415.32x = 44,869,413,127.78
  5. Step 5: Solve for x
    x = 44,869,413,127.78/330,415.32
  6. Step 6: Final answer
    x = 135,797.01

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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.