Home / 147,688.80-221,531.55-100,186.20

Finding the Fourth Proportional to 147,688.80, 221,531.55 and 100,186.20

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Solution

The fourth proportional to 147,688.80, 221,531.55 and 100,186.20 is: 150,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,688.80 : 221,531.55 = 100,186.20 : x
  2. Step 2: Convert to fraction form
    147,688.80/221,531.55 = 100,186.20/x
  3. Step 3: Cross multiply
    147,688.80x = 221,531.55 × 100,186.20
  4. Step 4: Simplify right side
    147,688.80x = 22,194,404,174.61
  5. Step 5: Solve for x
    x = 22,194,404,174.61/147,688.80
  6. Step 6: Final answer
    x = 150,278.18

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