Home / 185,628.76-256,167.55-100,745.89

Finding the Fourth Proportional to 185,628.76, 256,167.55 and 100,745.89

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Solution

The fourth proportional to 185,628.76, 256,167.55 and 100,745.89 is: 139,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.76 : 256,167.55 = 100,745.89 : x
  2. Step 2: Convert to fraction form
    185,628.76/256,167.55 = 100,745.89/x
  3. Step 3: Cross multiply
    185,628.76x = 256,167.55 × 100,745.89
  4. Step 4: Simplify right side
    185,628.76x = 25,807,827,813.87
  5. Step 5: Solve for x
    x = 25,807,827,813.87/185,628.76
  6. Step 6: Final answer
    x = 139,029.25

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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.