Home / 231,012.20-346,545.30-73,256.60

Finding the Fourth Proportional to 231,012.20, 346,545.30 and 73,256.60

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Solution

The fourth proportional to 231,012.20, 346,545.30 and 73,256.60 is: 109,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,012.20 : 346,545.30 = 73,256.60 : x
  2. Step 2: Convert to fraction form
    231,012.20/346,545.30 = 73,256.60/x
  3. Step 3: Cross multiply
    231,012.20x = 346,545.30 × 73,256.60
  4. Step 4: Simplify right side
    231,012.20x = 25,386,730,423.98
  5. Step 5: Solve for x
    x = 25,386,730,423.98/231,012.20
  6. Step 6: Final answer
    x = 109,893.46

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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.