Home / 162,064.20-243,096.30-139,513.80

Finding the Fourth Proportional to 162,064.20, 243,096.30 and 139,513.80

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Solution

The fourth proportional to 162,064.20, 243,096.30 and 139,513.80 is: 209,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,064.20 : 243,096.30 = 139,513.80 : x
  2. Step 2: Convert to fraction form
    162,064.20/243,096.30 = 139,513.80/x
  3. Step 3: Cross multiply
    162,064.20x = 243,096.30 × 139,513.80
  4. Step 4: Simplify right side
    162,064.20x = 33,915,288,578.94
  5. Step 5: Solve for x
    x = 33,915,288,578.94/162,064.20
  6. Step 6: Final answer
    x = 209,270.70

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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.