Home / 228,231.56-314,853.43-147,685.12

Finding the Fourth Proportional to 228,231.56, 314,853.43 and 147,685.12

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Solution

The fourth proportional to 228,231.56, 314,853.43 and 147,685.12 is: 203,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,231.56 : 314,853.43 = 147,685.12 : x
  2. Step 2: Convert to fraction form
    228,231.56/314,853.43 = 147,685.12/x
  3. Step 3: Cross multiply
    228,231.56x = 314,853.43 × 147,685.12
  4. Step 4: Simplify right side
    228,231.56x = 46,499,164,279.27
  5. Step 5: Solve for x
    x = 46,499,164,279.27/228,231.56
  6. Step 6: Final answer
    x = 203,736.79

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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.