Home / 165,787.60-248,681.34-41,128.60

Finding the Fourth Proportional to 165,787.60, 248,681.34 and 41,128.60

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Solution

The fourth proportional to 165,787.60, 248,681.34 and 41,128.60 is: 61,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,787.60 : 248,681.34 = 41,128.60 : x
  2. Step 2: Convert to fraction form
    165,787.60/248,681.34 = 41,128.60/x
  3. Step 3: Cross multiply
    165,787.60x = 248,681.34 × 41,128.60
  4. Step 4: Simplify right side
    165,787.60x = 10,227,915,360.32
  5. Step 5: Solve for x
    x = 10,227,915,360.32/165,787.60
  6. Step 6: Final answer
    x = 61,692.89

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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.