Home / 288,864.46-433,209.21-78,475.06

Finding the Fourth Proportional to 288,864.46, 433,209.21 and 78,475.06

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Solution

The fourth proportional to 288,864.46, 433,209.21 and 78,475.06 is: 117,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,864.46 : 433,209.21 = 78,475.06 : x
  2. Step 2: Convert to fraction form
    288,864.46/433,209.21 = 78,475.06/x
  3. Step 3: Cross multiply
    288,864.46x = 433,209.21 × 78,475.06
  4. Step 4: Simplify right side
    288,864.46x = 33,996,118,747.30
  5. Step 5: Solve for x
    x = 33,996,118,747.30/288,864.46
  6. Step 6: Final answer
    x = 117,688.82

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