Home / 151,104.77-208,523.43-83,120.28

Finding the Fourth Proportional to 151,104.77, 208,523.43 and 83,120.28

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Solution

The fourth proportional to 151,104.77, 208,523.43 and 83,120.28 is: 114,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,104.77 : 208,523.43 = 83,120.28 : x
  2. Step 2: Convert to fraction form
    151,104.77/208,523.43 = 83,120.28/x
  3. Step 3: Cross multiply
    151,104.77x = 208,523.43 × 83,120.28
  4. Step 4: Simplify right side
    151,104.77x = 17,332,524,755.53
  5. Step 5: Solve for x
    x = 17,332,524,755.53/151,104.77
  6. Step 6: Final answer
    x = 114,705.35

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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.