Home / 112,026.72-168,042.96-38,206.56

Finding the Fourth Proportional to 112,026.72, 168,042.96 and 38,206.56

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Solution

The fourth proportional to 112,026.72, 168,042.96 and 38,206.56 is: 57,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,026.72 : 168,042.96 = 38,206.56 : x
  2. Step 2: Convert to fraction form
    112,026.72/168,042.96 = 38,206.56/x
  3. Step 3: Cross multiply
    112,026.72x = 168,042.96 × 38,206.56
  4. Step 4: Simplify right side
    112,026.72x = 6,420,343,433.82
  5. Step 5: Solve for x
    x = 6,420,343,433.82/112,026.72
  6. Step 6: Final answer
    x = 57,310.82

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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.