Home / 110,689.20-166,038.99-35,815.21

Finding the Fourth Proportional to 110,689.20, 166,038.99 and 35,815.21

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Solution

The fourth proportional to 110,689.20, 166,038.99 and 35,815.21 is: 53,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,689.20 : 166,038.99 = 35,815.21 : x
  2. Step 2: Convert to fraction form
    110,689.20/166,038.99 = 35,815.21/x
  3. Step 3: Cross multiply
    110,689.20x = 166,038.99 × 35,815.21
  4. Step 4: Simplify right side
    110,689.20x = 5,946,721,295.04
  5. Step 5: Solve for x
    x = 5,946,721,295.04/110,689.20
  6. Step 6: Final answer
    x = 53,724.49

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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.