Home / 112,177.83-168,126.42-56,033.61

Finding the Fourth Proportional to 112,177.83, 168,126.42 and 56,033.61

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Solution

The fourth proportional to 112,177.83, 168,126.42 and 56,033.61 is: 83,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,177.83 : 168,126.42 = 56,033.61 : x
  2. Step 2: Convert to fraction form
    112,177.83/168,126.42 = 56,033.61/x
  3. Step 3: Cross multiply
    112,177.83x = 168,126.42 × 56,033.61
  4. Step 4: Simplify right side
    112,177.83x = 9,420,729,408.34
  5. Step 5: Solve for x
    x = 9,420,729,408.34/112,177.83
  6. Step 6: Final answer
    x = 83,980.32

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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.