Home / 213,792.42-320,781.64-134,013.22

Finding the Fourth Proportional to 213,792.42, 320,781.64 and 134,013.22

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Solution

The fourth proportional to 213,792.42, 320,781.64 and 134,013.22 is: 201,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,792.42 : 320,781.64 = 134,013.22 : x
  2. Step 2: Convert to fraction form
    213,792.42/320,781.64 = 134,013.22/x
  3. Step 3: Cross multiply
    213,792.42x = 320,781.64 × 134,013.22
  4. Step 4: Simplify right side
    213,792.42x = 42,988,980,493.28
  5. Step 5: Solve for x
    x = 42,988,980,493.28/213,792.42
  6. Step 6: Final answer
    x = 201,078.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.