Home / 185,677.75-256,234.66-100,794.21

Finding the Fourth Proportional to 185,677.75, 256,234.66 and 100,794.21

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Solution

The fourth proportional to 185,677.75, 256,234.66 and 100,794.21 is: 139,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,677.75 : 256,234.66 = 100,794.21 : x
  2. Step 2: Convert to fraction form
    185,677.75/256,234.66 = 100,794.21/x
  3. Step 3: Cross multiply
    185,677.75x = 256,234.66 × 100,794.21
  4. Step 4: Simplify right side
    185,677.75x = 25,826,970,129.32
  5. Step 5: Solve for x
    x = 25,826,970,129.32/185,677.75
  6. Step 6: Final answer
    x = 139,095.67

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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.