Home / 158,186.76-218,278.62-94,512.12

Finding the Fourth Proportional to 158,186.76, 218,278.62 and 94,512.12

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Solution

The fourth proportional to 158,186.76, 218,278.62 and 94,512.12 is: 130,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,186.76 : 218,278.62 = 94,512.12 : x
  2. Step 2: Convert to fraction form
    158,186.76/218,278.62 = 94,512.12/x
  3. Step 3: Cross multiply
    158,186.76x = 218,278.62 × 94,512.12
  4. Step 4: Simplify right side
    158,186.76x = 20,629,975,126.87
  5. Step 5: Solve for x
    x = 20,629,975,126.87/158,186.76
  6. Step 6: Final answer
    x = 130,415.31

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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.