Home / 110,639.40-165,521.70-96,010.80

Finding the Fourth Proportional to 110,639.40, 165,521.70 and 96,010.80

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Solution

The fourth proportional to 110,639.40, 165,521.70 and 96,010.80 is: 143,636.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,639.40 : 165,521.70 = 96,010.80 : x
  2. Step 2: Convert to fraction form
    110,639.40/165,521.70 = 96,010.80/x
  3. Step 3: Cross multiply
    110,639.40x = 165,521.70 × 96,010.80
  4. Step 4: Simplify right side
    110,639.40x = 15,891,870,834.36
  5. Step 5: Solve for x
    x = 15,891,870,834.36/110,639.40
  6. Step 6: Final answer
    x = 143,636.63

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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.