Home / 112,296.40-154,931.83-74,074.93

Finding the Fourth Proportional to 112,296.40, 154,931.83 and 74,074.93

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Solution

The fourth proportional to 112,296.40, 154,931.83 and 74,074.93 is: 102,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,296.40 : 154,931.83 = 74,074.93 : x
  2. Step 2: Convert to fraction form
    112,296.40/154,931.83 = 74,074.93/x
  3. Step 3: Cross multiply
    112,296.40x = 154,931.83 × 74,074.93
  4. Step 4: Simplify right side
    112,296.40x = 11,476,564,462.02
  5. Step 5: Solve for x
    x = 11,476,564,462.02/112,296.40
  6. Step 6: Final answer
    x = 102,198.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.