Home / 112,022.51-168,033.77-92,221.66

Finding the Fourth Proportional to 112,022.51, 168,033.77 and 92,221.66

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Solution

The fourth proportional to 112,022.51, 168,033.77 and 92,221.66 is: 138,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,022.51 : 168,033.77 = 92,221.66 : x
  2. Step 2: Convert to fraction form
    112,022.51/168,033.77 = 92,221.66/x
  3. Step 3: Cross multiply
    112,022.51x = 168,033.77 × 92,221.66
  4. Step 4: Simplify right side
    112,022.51x = 15,496,351,904.18
  5. Step 5: Solve for x
    x = 15,496,351,904.18/112,022.51
  6. Step 6: Final answer
    x = 138,332.48

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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.