Home / 151,584.39-209,063.16-133,395.84

Finding the Fourth Proportional to 151,584.39, 209,063.16 and 133,395.84

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Solution

The fourth proportional to 151,584.39, 209,063.16 and 133,395.84 is: 183,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,584.39 : 209,063.16 = 133,395.84 : x
  2. Step 2: Convert to fraction form
    151,584.39/209,063.16 = 133,395.84/x
  3. Step 3: Cross multiply
    151,584.39x = 209,063.16 × 133,395.84
  4. Step 4: Simplify right side
    151,584.39x = 27,888,155,841.25
  5. Step 5: Solve for x
    x = 27,888,155,841.25/151,584.39
  6. Step 6: Final answer
    x = 183,977.76

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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.