Home / 151,052.67-208,458.03-83,074.89

Finding the Fourth Proportional to 151,052.67, 208,458.03 and 83,074.89

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Solution

The fourth proportional to 151,052.67, 208,458.03 and 83,074.89 is: 114,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,052.67 : 208,458.03 = 83,074.89 : x
  2. Step 2: Convert to fraction form
    151,052.67/208,458.03 = 83,074.89/x
  3. Step 3: Cross multiply
    151,052.67x = 208,458.03 × 83,074.89
  4. Step 4: Simplify right side
    151,052.67x = 17,317,627,911.87
  5. Step 5: Solve for x
    x = 17,317,627,911.87/151,052.67
  6. Step 6: Final answer
    x = 114,646.29

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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.