Home / 165,801.40-248,702.10-136,252.60

Finding the Fourth Proportional to 165,801.40, 248,702.10 and 136,252.60

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Solution

The fourth proportional to 165,801.40, 248,702.10 and 136,252.60 is: 204,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,801.40 : 248,702.10 = 136,252.60 : x
  2. Step 2: Convert to fraction form
    165,801.40/248,702.10 = 136,252.60/x
  3. Step 3: Cross multiply
    165,801.40x = 248,702.10 × 136,252.60
  4. Step 4: Simplify right side
    165,801.40x = 33,886,307,750.46
  5. Step 5: Solve for x
    x = 33,886,307,750.46/165,801.40
  6. Step 6: Final answer
    x = 204,378.90

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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.