Home / 207,619.54-286,514.94-112,126.22

Finding the Fourth Proportional to 207,619.54, 286,514.94 and 112,126.22

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Solution

The fourth proportional to 207,619.54, 286,514.94 and 112,126.22 is: 154,734.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,619.54 : 286,514.94 = 112,126.22 : x
  2. Step 2: Convert to fraction form
    207,619.54/286,514.94 = 112,126.22/x
  3. Step 3: Cross multiply
    207,619.54x = 286,514.94 × 112,126.22
  4. Step 4: Simplify right side
    207,619.54x = 32,125,837,195.73
  5. Step 5: Solve for x
    x = 32,125,837,195.73/207,619.54
  6. Step 6: Final answer
    x = 154,734.17

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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.