Home / 330,358.02-495,610.88-105,731.92

Finding the Fourth Proportional to 330,358.02, 495,610.88 and 105,731.92

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Solution

The fourth proportional to 330,358.02, 495,610.88 and 105,731.92 is: 158,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,358.02 : 495,610.88 = 105,731.92 : x
  2. Step 2: Convert to fraction form
    330,358.02/495,610.88 = 105,731.92/x
  3. Step 3: Cross multiply
    330,358.02x = 495,610.88 × 105,731.92
  4. Step 4: Simplify right side
    330,358.02x = 52,401,889,915.29
  5. Step 5: Solve for x
    x = 52,401,889,915.29/330,358.02
  6. Step 6: Final answer
    x = 158,621.52

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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.