Home / 158,020.44-218,072.16-95,931.68

Finding the Fourth Proportional to 158,020.44, 218,072.16 and 95,931.68

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Solution

The fourth proportional to 158,020.44, 218,072.16 and 95,931.68 is: 132,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,020.44 : 218,072.16 = 95,931.68 : x
  2. Step 2: Convert to fraction form
    158,020.44/218,072.16 = 95,931.68/x
  3. Step 3: Cross multiply
    158,020.44x = 218,072.16 × 95,931.68
  4. Step 4: Simplify right side
    158,020.44x = 20,920,028,190.37
  5. Step 5: Solve for x
    x = 20,920,028,190.37/158,020.44
  6. Step 6: Final answer
    x = 132,388.12

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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.