Home / 185,771.64-256,363.74-100,887.96

Finding the Fourth Proportional to 185,771.64, 256,363.74 and 100,887.96

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Solution

The fourth proportional to 185,771.64, 256,363.74 and 100,887.96 is: 139,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,771.64 : 256,363.74 = 100,887.96 : x
  2. Step 2: Convert to fraction form
    185,771.64/256,363.74 = 100,887.96/x
  3. Step 3: Cross multiply
    185,771.64x = 256,363.74 × 100,887.96
  4. Step 4: Simplify right side
    185,771.64x = 25,864,014,746.57
  5. Step 5: Solve for x
    x = 25,864,014,746.57/185,771.64
  6. Step 6: Final answer
    x = 139,224.77

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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.