Home / 134,650.34-185,809.02-74,217.66

Finding the Fourth Proportional to 134,650.34, 185,809.02 and 74,217.66

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Solution

The fourth proportional to 134,650.34, 185,809.02 and 74,217.66 is: 102,415.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,650.34 : 185,809.02 = 74,217.66 : x
  2. Step 2: Convert to fraction form
    134,650.34/185,809.02 = 74,217.66/x
  3. Step 3: Cross multiply
    134,650.34x = 185,809.02 × 74,217.66
  4. Step 4: Simplify right side
    134,650.34x = 13,790,310,671.29
  5. Step 5: Solve for x
    x = 13,790,310,671.29/134,650.34
  6. Step 6: Final answer
    x = 102,415.71

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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.