Home / 151,040.90-208,441.76-83,063.02

Finding the Fourth Proportional to 151,040.90, 208,441.76 and 83,063.02

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Solution

The fourth proportional to 151,040.90, 208,441.76 and 83,063.02 is: 114,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,040.90 : 208,441.76 = 83,063.02 : x
  2. Step 2: Convert to fraction form
    151,040.90/208,441.76 = 83,063.02/x
  3. Step 3: Cross multiply
    151,040.90x = 208,441.76 × 83,063.02
  4. Step 4: Simplify right side
    151,040.90x = 17,313,801,534.12
  5. Step 5: Solve for x
    x = 17,313,801,534.12/151,040.90
  6. Step 6: Final answer
    x = 114,629.89

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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.