Home / 112,109.97-154,711.66-64,366.23

Finding the Fourth Proportional to 112,109.97, 154,711.66 and 64,366.23

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Solution

The fourth proportional to 112,109.97, 154,711.66 and 64,366.23 is: 88,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109.97 : 154,711.66 = 64,366.23 : x
  2. Step 2: Convert to fraction form
    112,109.97/154,711.66 = 64,366.23/x
  3. Step 3: Cross multiply
    112,109.97x = 154,711.66 × 64,366.23
  4. Step 4: Simplify right side
    112,109.97x = 9,958,206,291.24
  5. Step 5: Solve for x
    x = 9,958,206,291.24/112,109.97
  6. Step 6: Final answer
    x = 88,825.34

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Double scale
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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.