Home / 147,027.02-220,542.24-139,856.42

Finding the Fourth Proportional to 147,027.02, 220,542.24 and 139,856.42

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Solution

The fourth proportional to 147,027.02, 220,542.24 and 139,856.42 is: 209,786.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,027.02 : 220,542.24 = 139,856.42 : x
  2. Step 2: Convert to fraction form
    147,027.02/220,542.24 = 139,856.42/x
  3. Step 3: Cross multiply
    147,027.02x = 220,542.24 × 139,856.42
  4. Step 4: Simplify right side
    147,027.02x = 30,844,248,145.18
  5. Step 5: Solve for x
    x = 30,844,248,145.18/147,027.02
  6. Step 6: Final answer
    x = 209,786.26

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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.