Home / 112,238.07-168,357.07-74,871.10

Finding the Fourth Proportional to 112,238.07, 168,357.07 and 74,871.10

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Solution

The fourth proportional to 112,238.07, 168,357.07 and 74,871.10 is: 112,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,238.07 : 168,357.07 = 74,871.10 : x
  2. Step 2: Convert to fraction form
    112,238.07/168,357.07 = 74,871.10/x
  3. Step 3: Cross multiply
    112,238.07x = 168,357.07 × 74,871.10
  4. Step 4: Simplify right side
    112,238.07x = 12,605,079,023.68
  5. Step 5: Solve for x
    x = 12,605,079,023.68/112,238.07
  6. Step 6: Final answer
    x = 112,306.63

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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.