Home / 282,520.64-423,959.52-157,943.36

Finding the Fourth Proportional to 282,520.64, 423,959.52 and 157,943.36

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Solution

The fourth proportional to 282,520.64, 423,959.52 and 157,943.36 is: 237,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,520.64 : 423,959.52 = 157,943.36 : x
  2. Step 2: Convert to fraction form
    282,520.64/423,959.52 = 157,943.36/x
  3. Step 3: Cross multiply
    282,520.64x = 423,959.52 × 157,943.36
  4. Step 4: Simplify right side
    282,520.64x = 66,961,591,092.79
  5. Step 5: Solve for x
    x = 66,961,591,092.79/282,520.64
  6. Step 6: Final answer
    x = 237,014.86

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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.