Home / 230,837.45-316,245.82-222,205.28

Finding the Fourth Proportional to 230,837.45, 316,245.82 and 222,205.28

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Solution

The fourth proportional to 230,837.45, 316,245.82 and 222,205.28 is: 304,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,837.45 : 316,245.82 = 222,205.28 : x
  2. Step 2: Convert to fraction form
    230,837.45/316,245.82 = 222,205.28/x
  3. Step 3: Cross multiply
    230,837.45x = 316,245.82 × 222,205.28
  4. Step 4: Simplify right side
    230,837.45x = 70,271,490,981.93
  5. Step 5: Solve for x
    x = 70,271,490,981.93/230,837.45
  6. Step 6: Final answer
    x = 304,419.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.