Home / 185,776.22-256,374.15-100,893.28

Finding the Fourth Proportional to 185,776.22, 256,374.15 and 100,893.28

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Solution

The fourth proportional to 185,776.22, 256,374.15 and 100,893.28 is: 139,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,776.22 : 256,374.15 = 100,893.28 : x
  2. Step 2: Convert to fraction form
    185,776.22/256,374.15 = 100,893.28/x
  3. Step 3: Cross multiply
    185,776.22x = 256,374.15 × 100,893.28
  4. Step 4: Simplify right side
    185,776.22x = 25,866,428,900.71
  5. Step 5: Solve for x
    x = 25,866,428,900.71/185,776.22
  6. Step 6: Final answer
    x = 139,234.34

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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.