Home / 330,439.30-495,658.04-93,782.21

Finding the Fourth Proportional to 330,439.30, 495,658.04 and 93,782.21

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Solution

The fourth proportional to 330,439.30, 495,658.04 and 93,782.21 is: 140,673.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,439.30 : 495,658.04 = 93,782.21 : x
  2. Step 2: Convert to fraction form
    330,439.30/495,658.04 = 93,782.21/x
  3. Step 3: Cross multiply
    330,439.30x = 495,658.04 × 93,782.21
  4. Step 4: Simplify right side
    330,439.30x = 46,483,903,448.27
  5. Step 5: Solve for x
    x = 46,483,903,448.27/330,439.30
  6. Step 6: Final answer
    x = 140,673.05

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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.