Home / 151,104.64-208,529.68-83,126.76

Finding the Fourth Proportional to 151,104.64, 208,529.68 and 83,126.76

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Solution

The fourth proportional to 151,104.64, 208,529.68 and 83,126.76 is: 114,717.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,104.64 : 208,529.68 = 83,126.76 : x
  2. Step 2: Convert to fraction form
    151,104.64/208,529.68 = 83,126.76/x
  3. Step 3: Cross multiply
    151,104.64x = 208,529.68 × 83,126.76
  4. Step 4: Simplify right side
    151,104.64x = 17,334,396,662.24
  5. Step 5: Solve for x
    x = 17,334,396,662.24/151,104.64
  6. Step 6: Final answer
    x = 114,717.83

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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.