Home / 185,920.44-256,538.52-105,331.32

Finding the Fourth Proportional to 185,920.44, 256,538.52 and 105,331.32

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Solution

The fourth proportional to 185,920.44, 256,538.52 and 105,331.32 is: 145,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,920.44 : 256,538.52 = 105,331.32 : x
  2. Step 2: Convert to fraction form
    185,920.44/256,538.52 = 105,331.32/x
  3. Step 3: Cross multiply
    185,920.44x = 256,538.52 × 105,331.32
  4. Step 4: Simplify right side
    185,920.44x = 27,021,540,942.45
  5. Step 5: Solve for x
    x = 27,021,540,942.45/185,920.44
  6. Step 6: Final answer
    x = 145,339.27

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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.