Home / 218,531.41-301,554.97-133,632.07

Finding the Fourth Proportional to 218,531.41, 301,554.97 and 133,632.07

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Solution

The fourth proportional to 218,531.41, 301,554.97 and 133,632.07 is: 184,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,531.41 : 301,554.97 = 133,632.07 : x
  2. Step 2: Convert to fraction form
    218,531.41/301,554.97 = 133,632.07/x
  3. Step 3: Cross multiply
    218,531.41x = 301,554.97 × 133,632.07
  4. Step 4: Simplify right side
    218,531.41x = 40,297,414,859.89
  5. Step 5: Solve for x
    x = 40,297,414,859.89/218,531.41
  6. Step 6: Final answer
    x = 184,401.02

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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.