Home / 151,089.77-208,489.40-83,105.66

Finding the Fourth Proportional to 151,089.77, 208,489.40 and 83,105.66

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Solution

The fourth proportional to 151,089.77, 208,489.40 and 83,105.66 is: 114,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,089.77 : 208,489.40 = 83,105.66 : x
  2. Step 2: Convert to fraction form
    151,089.77/208,489.40 = 83,105.66/x
  3. Step 3: Cross multiply
    151,089.77x = 208,489.40 × 83,105.66
  4. Step 4: Simplify right side
    151,089.77x = 17,326,647,732.03
  5. Step 5: Solve for x
    x = 17,326,647,732.03/151,089.77
  6. Step 6: Final answer
    x = 114,677.84

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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.