Home / 147,871.06-221,997.28-126,945.58

Finding the Fourth Proportional to 147,871.06, 221,997.28 and 126,945.58

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Solution

The fourth proportional to 147,871.06, 221,997.28 and 126,945.58 is: 190,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,871.06 : 221,997.28 = 126,945.58 : x
  2. Step 2: Convert to fraction form
    147,871.06/221,997.28 = 126,945.58/x
  3. Step 3: Cross multiply
    147,871.06x = 221,997.28 × 126,945.58
  4. Step 4: Simplify right side
    147,871.06x = 28,181,573,468.02
  5. Step 5: Solve for x
    x = 28,181,573,468.02/147,871.06
  6. Step 6: Final answer
    x = 190,582.08

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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.