Home / 207,388.21-286,192.55-116,743.89

Finding the Fourth Proportional to 207,388.21, 286,192.55 and 116,743.89

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Solution

The fourth proportional to 207,388.21, 286,192.55 and 116,743.89 is: 161,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,388.21 : 286,192.55 = 116,743.89 : x
  2. Step 2: Convert to fraction form
    207,388.21/286,192.55 = 116,743.89/x
  3. Step 3: Cross multiply
    207,388.21x = 286,192.55 × 116,743.89
  4. Step 4: Simplify right side
    207,388.21x = 33,411,231,576.02
  5. Step 5: Solve for x
    x = 33,411,231,576.02/207,388.21
  6. Step 6: Final answer
    x = 161,104.78

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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.