Home / 207,900.39-286,902.48-117,256.17

Finding the Fourth Proportional to 207,900.39, 286,902.48 and 117,256.17

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Solution

The fourth proportional to 207,900.39, 286,902.48 and 117,256.17 is: 161,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900.39 : 286,902.48 = 117,256.17 : x
  2. Step 2: Convert to fraction form
    207,900.39/286,902.48 = 117,256.17/x
  3. Step 3: Cross multiply
    207,900.39x = 286,902.48 × 117,256.17
  4. Step 4: Simplify right side
    207,900.39x = 33,641,085,968.30
  5. Step 5: Solve for x
    x = 33,641,085,968.30/207,900.39
  6. Step 6: Final answer
    x = 161,813.48

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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.