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Finding the Fourth Proportional to 214,036.15, 295,369.14 and 123,391.68

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Solution

The fourth proportional to 214,036.15, 295,369.14 and 123,391.68 is: 170,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,036.15 : 295,369.14 = 123,391.68 : x
  2. Step 2: Convert to fraction form
    214,036.15/295,369.14 = 123,391.68/x
  3. Step 3: Cross multiply
    214,036.15x = 295,369.14 × 123,391.68
  4. Step 4: Simplify right side
    214,036.15x = 36,446,094,867.47
  5. Step 5: Solve for x
    x = 36,446,094,867.47/214,036.15
  6. Step 6: Final answer
    x = 170,280.09

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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.