Home / 127,997.06-191,998.35-39,248.60

Finding the Fourth Proportional to 127,997.06, 191,998.35 and 39,248.60

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Solution

The fourth proportional to 127,997.06, 191,998.35 and 39,248.60 is: 58,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,997.06 : 191,998.35 = 39,248.60 : x
  2. Step 2: Convert to fraction form
    127,997.06/191,998.35 = 39,248.60/x
  3. Step 3: Cross multiply
    127,997.06x = 191,998.35 × 39,248.60
  4. Step 4: Simplify right side
    127,997.06x = 7,535,665,479.82
  5. Step 5: Solve for x
    x = 7,535,665,479.82/127,997.06
  6. Step 6: Final answer
    x = 58,873.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.