Home / 387,066.38-534,133.32-214,995.42

Finding the Fourth Proportional to 387,066.38, 534,133.32 and 214,995.42

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Solution

The fourth proportional to 387,066.38, 534,133.32 and 214,995.42 is: 296,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,066.38 : 534,133.32 = 214,995.42 : x
  2. Step 2: Convert to fraction form
    387,066.38/534,133.32 = 214,995.42/x
  3. Step 3: Cross multiply
    387,066.38x = 534,133.32 × 214,995.42
  4. Step 4: Simplify right side
    387,066.38x = 114,836,217,469.39
  5. Step 5: Solve for x
    x = 114,836,217,469.39/387,066.38
  6. Step 6: Final answer
    x = 296,683.53

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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.