Home / 330,621.20-495,931.80-164,733.20

Finding the Fourth Proportional to 330,621.20, 495,931.80 and 164,733.20

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Solution

The fourth proportional to 330,621.20, 495,931.80 and 164,733.20 is: 247,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,621.20 : 495,931.80 = 164,733.20 : x
  2. Step 2: Convert to fraction form
    330,621.20/495,931.80 = 164,733.20/x
  3. Step 3: Cross multiply
    330,621.20x = 495,931.80 × 164,733.20
  4. Step 4: Simplify right side
    330,621.20x = 81,696,432,395.76
  5. Step 5: Solve for x
    x = 81,696,432,395.76/330,621.20
  6. Step 6: Final answer
    x = 247,099.80

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1.5x scale

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.