Home / 185,356.22-256,004.16-121,976.96

Finding the Fourth Proportional to 185,356.22, 256,004.16 and 121,976.96

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Solution

The fourth proportional to 185,356.22, 256,004.16 and 121,976.96 is: 168,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,356.22 : 256,004.16 = 121,976.96 : x
  2. Step 2: Convert to fraction form
    185,356.22/256,004.16 = 121,976.96/x
  3. Step 3: Cross multiply
    185,356.22x = 256,004.16 × 121,976.96
  4. Step 4: Simplify right side
    185,356.22x = 31,226,609,184.15
  5. Step 5: Solve for x
    x = 31,226,609,184.15/185,356.22
  6. Step 6: Final answer
    x = 168,468.09

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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.