Home / 330,519.64-495,762.06-193,818.76

Finding the Fourth Proportional to 330,519.64, 495,762.06 and 193,818.76

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Solution

The fourth proportional to 330,519.64, 495,762.06 and 193,818.76 is: 290,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,519.64 : 495,762.06 = 193,818.76 : x
  2. Step 2: Convert to fraction form
    330,519.64/495,762.06 = 193,818.76/x
  3. Step 3: Cross multiply
    330,519.64x = 495,762.06 × 193,818.76
  4. Step 4: Simplify right side
    330,519.64x = 96,087,987,724.25
  5. Step 5: Solve for x
    x = 96,087,987,724.25/330,519.64
  6. Step 6: Final answer
    x = 290,717.94

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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.