Home / 185,124.44-255,473.55-100,243.32

Finding the Fourth Proportional to 185,124.44, 255,473.55 and 100,243.32

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Solution

The fourth proportional to 185,124.44, 255,473.55 and 100,243.32 is: 138,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,124.44 : 255,473.55 = 100,243.32 : x
  2. Step 2: Convert to fraction form
    185,124.44/255,473.55 = 100,243.32/x
  3. Step 3: Cross multiply
    185,124.44x = 255,473.55 × 100,243.32
  4. Step 4: Simplify right side
    185,124.44x = 25,609,516,824.19
  5. Step 5: Solve for x
    x = 25,609,516,824.19/185,124.44
  6. Step 6: Final answer
    x = 138,336.77

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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.