Home / 168,461.11-252,690.64-42,100.71

Finding the Fourth Proportional to 168,461.11, 252,690.64 and 42,100.71

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Solution

The fourth proportional to 168,461.11, 252,690.64 and 42,100.71 is: 63,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,461.11 : 252,690.64 = 42,100.71 : x
  2. Step 2: Convert to fraction form
    168,461.11/252,690.64 = 42,100.71/x
  3. Step 3: Cross multiply
    168,461.11x = 252,690.64 × 42,100.71
  4. Step 4: Simplify right side
    168,461.11x = 10,638,455,354.35
  5. Step 5: Solve for x
    x = 10,638,455,354.35/168,461.11
  6. Step 6: Final answer
    x = 63,150.81

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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.