Home / 118,780.35-163,854.73-73,443.84

Finding the Fourth Proportional to 118,780.35, 163,854.73 and 73,443.84

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Solution

The fourth proportional to 118,780.35, 163,854.73 and 73,443.84 is: 101,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,780.35 : 163,854.73 = 73,443.84 : x
  2. Step 2: Convert to fraction form
    118,780.35/163,854.73 = 73,443.84/x
  3. Step 3: Cross multiply
    118,780.35x = 163,854.73 × 73,443.84
  4. Step 4: Simplify right side
    118,780.35x = 12,034,120,573.36
  5. Step 5: Solve for x
    x = 12,034,120,573.36/118,780.35
  6. Step 6: Final answer
    x = 101,314.07

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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.