Home / 112,468.20-168,507.90-53,176.20

Finding the Fourth Proportional to 112,468.20, 168,507.90 and 53,176.20

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Solution

The fourth proportional to 112,468.20, 168,507.90 and 53,176.20 is: 79,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,468.20 : 168,507.90 = 53,176.20 : x
  2. Step 2: Convert to fraction form
    112,468.20/168,507.90 = 53,176.20/x
  3. Step 3: Cross multiply
    112,468.20x = 168,507.90 × 53,176.20
  4. Step 4: Simplify right side
    112,468.20x = 8,960,609,791.98
  5. Step 5: Solve for x
    x = 8,960,609,791.98/112,468.20
  6. Step 6: Final answer
    x = 79,672.39

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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.