Home / 185,646.52-256,185.34-100,761.76

Finding the Fourth Proportional to 185,646.52, 256,185.34 and 100,761.76

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Solution

The fourth proportional to 185,646.52, 256,185.34 and 100,761.76 is: 139,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,646.52 : 256,185.34 = 100,761.76 : x
  2. Step 2: Convert to fraction form
    185,646.52/256,185.34 = 100,761.76/x
  3. Step 3: Cross multiply
    185,646.52x = 256,185.34 × 100,761.76
  4. Step 4: Simplify right side
    185,646.52x = 25,813,685,744.60
  5. Step 5: Solve for x
    x = 25,813,685,744.60/185,646.52
  6. Step 6: Final answer
    x = 139,047.51

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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.