Home / 160,275.36-221,105.52-103,704.96

Finding the Fourth Proportional to 160,275.36, 221,105.52 and 103,704.96

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Solution

The fourth proportional to 160,275.36, 221,105.52 and 103,704.96 is: 143,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,275.36 : 221,105.52 = 103,704.96 : x
  2. Step 2: Convert to fraction form
    160,275.36/221,105.52 = 103,704.96/x
  3. Step 3: Cross multiply
    160,275.36x = 221,105.52 × 103,704.96
  4. Step 4: Simplify right side
    160,275.36x = 22,929,739,107.38
  5. Step 5: Solve for x
    x = 22,929,739,107.38/160,275.36
  6. Step 6: Final answer
    x = 143,064.66

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1.5x scale

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.