Home / 207,929.54-286,942.42-117,285.22

Finding the Fourth Proportional to 207,929.54, 286,942.42 and 117,285.22

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Solution

The fourth proportional to 207,929.54, 286,942.42 and 117,285.22 is: 161,853.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,929.54 : 286,942.42 = 117,285.22 : x
  2. Step 2: Convert to fraction form
    207,929.54/286,942.42 = 117,285.22/x
  3. Step 3: Cross multiply
    207,929.54x = 286,942.42 × 117,285.22
  4. Step 4: Simplify right side
    207,929.54x = 33,654,104,857.03
  5. Step 5: Solve for x
    x = 33,654,104,857.03/207,929.54
  6. Step 6: Final answer
    x = 161,853.41

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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.