Home / 151,951.57-209,692.35-83,973.26

Finding the Fourth Proportional to 151,951.57, 209,692.35 and 83,973.26

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Solution

The fourth proportional to 151,951.57, 209,692.35 and 83,973.26 is: 115,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,951.57 : 209,692.35 = 83,973.26 : x
  2. Step 2: Convert to fraction form
    151,951.57/209,692.35 = 83,973.26/x
  3. Step 3: Cross multiply
    151,951.57x = 209,692.35 × 83,973.26
  4. Step 4: Simplify right side
    151,951.57x = 17,608,550,750.79
  5. Step 5: Solve for x
    x = 17,608,550,750.79/151,951.57
  6. Step 6: Final answer
    x = 115,882.65

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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.