Home / 151,753.44-209,431.35-83,783.52

Finding the Fourth Proportional to 151,753.44, 209,431.35 and 83,783.52

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Solution

The fourth proportional to 151,753.44, 209,431.35 and 83,783.52 is: 115,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,753.44 : 209,431.35 = 83,783.52 : x
  2. Step 2: Convert to fraction form
    151,753.44/209,431.35 = 83,783.52/x
  3. Step 3: Cross multiply
    151,753.44x = 209,431.35 × 83,783.52
  4. Step 4: Simplify right side
    151,753.44x = 17,546,895,701.35
  5. Step 5: Solve for x
    x = 17,546,895,701.35/151,753.44
  6. Step 6: Final answer
    x = 115,627.66

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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.