Home / 141,217.31-194,879.64-77,555.10

Finding the Fourth Proportional to 141,217.31, 194,879.64 and 77,555.10

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Solution

The fourth proportional to 141,217.31, 194,879.64 and 77,555.10 is: 107,025.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,217.31 : 194,879.64 = 77,555.10 : x
  2. Step 2: Convert to fraction form
    141,217.31/194,879.64 = 77,555.10/x
  3. Step 3: Cross multiply
    141,217.31x = 194,879.64 × 77,555.10
  4. Step 4: Simplify right side
    141,217.31x = 15,113,909,968.16
  5. Step 5: Solve for x
    x = 15,113,909,968.16/141,217.31
  6. Step 6: Final answer
    x = 107,025.90

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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.