Home / 185,878.08-256,511.34-100,995.48

Finding the Fourth Proportional to 185,878.08, 256,511.34 and 100,995.48

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Solution

The fourth proportional to 185,878.08, 256,511.34 and 100,995.48 is: 139,373.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,878.08 : 256,511.34 = 100,995.48 : x
  2. Step 2: Convert to fraction form
    185,878.08/256,511.34 = 100,995.48/x
  3. Step 3: Cross multiply
    185,878.08x = 256,511.34 × 100,995.48
  4. Step 4: Simplify right side
    185,878.08x = 25,906,485,908.74
  5. Step 5: Solve for x
    x = 25,906,485,908.74/185,878.08
  6. Step 6: Final answer
    x = 139,373.54

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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.