Home / 340,040.64-510,061.92-162,507.36

Finding the Fourth Proportional to 340,040.64, 510,061.92 and 162,507.36

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Solution

The fourth proportional to 340,040.64, 510,061.92 and 162,507.36 is: 243,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,040.64 : 510,061.92 = 162,507.36 : x
  2. Step 2: Convert to fraction form
    340,040.64/510,061.92 = 162,507.36/x
  3. Step 3: Cross multiply
    340,040.64x = 510,061.92 × 162,507.36
  4. Step 4: Simplify right side
    340,040.64x = 82,888,816,055.73
  5. Step 5: Solve for x
    x = 82,888,816,055.73/340,040.64
  6. Step 6: Final answer
    x = 243,761.50

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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.