Home / 113,845.88-170,732.36-53,866.20

Finding the Fourth Proportional to 113,845.88, 170,732.36 and 53,866.20

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Solution

The fourth proportional to 113,845.88, 170,732.36 and 53,866.20 is: 80,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.88 : 170,732.36 = 53,866.20 : x
  2. Step 2: Convert to fraction form
    113,845.88/170,732.36 = 53,866.20/x
  3. Step 3: Cross multiply
    113,845.88x = 170,732.36 × 53,866.20
  4. Step 4: Simplify right side
    113,845.88x = 9,196,703,450.23
  5. Step 5: Solve for x
    x = 9,196,703,450.23/113,845.88
  6. Step 6: Final answer
    x = 80,782.05

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1.5x scale

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.