Home / 147,753.66-221,649.63-67,772.32

Finding the Fourth Proportional to 147,753.66, 221,649.63 and 67,772.32

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Solution

The fourth proportional to 147,753.66, 221,649.63 and 67,772.32 is: 101,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,753.66 : 221,649.63 = 67,772.32 : x
  2. Step 2: Convert to fraction form
    147,753.66/221,649.63 = 67,772.32/x
  3. Step 3: Cross multiply
    147,753.66x = 221,649.63 × 67,772.32
  4. Step 4: Simplify right side
    147,753.66x = 15,021,709,652.24
  5. Step 5: Solve for x
    x = 15,021,709,652.24/147,753.66
  6. Step 6: Final answer
    x = 101,667.26

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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.