Home / 162,099.16-243,161.03-43,768.78

Finding the Fourth Proportional to 162,099.16, 243,161.03 and 43,768.78

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Solution

The fourth proportional to 162,099.16, 243,161.03 and 43,768.78 is: 65,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,099.16 : 243,161.03 = 43,768.78 : x
  2. Step 2: Convert to fraction form
    162,099.16/243,161.03 = 43,768.78/x
  3. Step 3: Cross multiply
    162,099.16x = 243,161.03 × 43,768.78
  4. Step 4: Simplify right side
    162,099.16x = 10,642,861,128.16
  5. Step 5: Solve for x
    x = 10,642,861,128.16/162,099.16
  6. Step 6: Final answer
    x = 65,656.49

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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.