Home / 207,520.49-286,404.38-116,893.64

Finding the Fourth Proportional to 207,520.49, 286,404.38 and 116,893.64

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Solution

The fourth proportional to 207,520.49, 286,404.38 and 116,893.64 is: 161,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,520.49 : 286,404.38 = 116,893.64 : x
  2. Step 2: Convert to fraction form
    207,520.49/286,404.38 = 116,893.64/x
  3. Step 3: Cross multiply
    207,520.49x = 286,404.38 × 116,893.64
  4. Step 4: Simplify right side
    207,520.49x = 33,478,850,490.14
  5. Step 5: Solve for x
    x = 33,478,850,490.14/207,520.49
  6. Step 6: Final answer
    x = 161,327.93

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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.