Home / 107,835.20-161,752.80-70,510.40

Finding the Fourth Proportional to 107,835.20, 161,752.80 and 70,510.40

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Solution

The fourth proportional to 107,835.20, 161,752.80 and 70,510.40 is: 105,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.20 : 161,752.80 = 70,510.40 : x
  2. Step 2: Convert to fraction form
    107,835.20/161,752.80 = 70,510.40/x
  3. Step 3: Cross multiply
    107,835.20x = 161,752.80 × 70,510.40
  4. Step 4: Simplify right side
    107,835.20x = 11,405,254,629.12
  5. Step 5: Solve for x
    x = 11,405,254,629.12/107,835.20
  6. Step 6: Final answer
    x = 105,765.60

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