Home / 165,580.47-248,373-47,251.80

Finding the Fourth Proportional to 165,580.47, 248,373 and 47,251.80

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Solution

The fourth proportional to 165,580.47, 248,373 and 47,251.80 is: 70,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,580.47 : 248,373 = 47,251.80 : x
  2. Step 2: Convert to fraction form
    165,580.47/248,373 = 47,251.80/x
  3. Step 3: Cross multiply
    165,580.47x = 248,373 × 47,251.80
  4. Step 4: Simplify right side
    165,580.47x = 11,736,071,321.40
  5. Step 5: Solve for x
    x = 11,736,071,321.40/165,580.47
  6. Step 6: Final answer
    x = 70,878.35

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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.