Home / 185,635.38-256,176.94-100,752.45

Finding the Fourth Proportional to 185,635.38, 256,176.94 and 100,752.45

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Solution

The fourth proportional to 185,635.38, 256,176.94 and 100,752.45 is: 139,038.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.38 : 256,176.94 = 100,752.45 : x
  2. Step 2: Convert to fraction form
    185,635.38/256,176.94 = 100,752.45/x
  3. Step 3: Cross multiply
    185,635.38x = 256,176.94 × 100,752.45
  4. Step 4: Simplify right side
    185,635.38x = 25,810,454,338.50
  5. Step 5: Solve for x
    x = 25,810,454,338.50/185,635.38
  6. Step 6: Final answer
    x = 139,038.44

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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.