Home / 185,639.31-256,182.50-100,756.37

Finding the Fourth Proportional to 185,639.31, 256,182.50 and 100,756.37

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Solution

The fourth proportional to 185,639.31, 256,182.50 and 100,756.37 is: 139,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,639.31 : 256,182.50 = 100,756.37 : x
  2. Step 2: Convert to fraction form
    185,639.31/256,182.50 = 100,756.37/x
  3. Step 3: Cross multiply
    185,639.31x = 256,182.50 × 100,756.37
  4. Step 4: Simplify right side
    185,639.31x = 25,812,019,649.87
  5. Step 5: Solve for x
    x = 25,812,019,649.87/185,639.31
  6. Step 6: Final answer
    x = 139,043.93

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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.