Home / 151,138.03-208,481.90-96,670.33

Finding the Fourth Proportional to 151,138.03, 208,481.90 and 96,670.33

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Solution

The fourth proportional to 151,138.03, 208,481.90 and 96,670.33 is: 133,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,138.03 : 208,481.90 = 96,670.33 : x
  2. Step 2: Convert to fraction form
    151,138.03/208,481.90 = 96,670.33/x
  3. Step 3: Cross multiply
    151,138.03x = 208,481.90 × 96,670.33
  4. Step 4: Simplify right side
    151,138.03x = 20,154,013,220.34
  5. Step 5: Solve for x
    x = 20,154,013,220.34/151,138.03
  6. Step 6: Final answer
    x = 133,348.39

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1.5x scale

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.