Home / 113,743.78-156,966.36-63,442.78

Finding the Fourth Proportional to 113,743.78, 156,966.36 and 63,442.78

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Solution

The fourth proportional to 113,743.78, 156,966.36 and 63,442.78 is: 87,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.78 : 156,966.36 = 63,442.78 : x
  2. Step 2: Convert to fraction form
    113,743.78/156,966.36 = 63,442.78/x
  3. Step 3: Cross multiply
    113,743.78x = 156,966.36 × 63,442.78
  4. Step 4: Simplify right side
    113,743.78x = 9,958,382,244.88
  5. Step 5: Solve for x
    x = 9,958,382,244.88/113,743.78
  6. Step 6: Final answer
    x = 87,551.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.