Home / 237,078.78-327,158.28-135,126.33

Finding the Fourth Proportional to 237,078.78, 327,158.28 and 135,126.33

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Solution

The fourth proportional to 237,078.78, 327,158.28 and 135,126.33 is: 186,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,078.78 : 327,158.28 = 135,126.33 : x
  2. Step 2: Convert to fraction form
    237,078.78/327,158.28 = 135,126.33/x
  3. Step 3: Cross multiply
    237,078.78x = 327,158.28 × 135,126.33
  4. Step 4: Simplify right side
    237,078.78x = 44,207,697,705.51
  5. Step 5: Solve for x
    x = 44,207,697,705.51/237,078.78
  6. Step 6: Final answer
    x = 186,468.39

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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.