Home / 134,699.25-185,901.84-77,356.56

Finding the Fourth Proportional to 134,699.25, 185,901.84 and 77,356.56

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Solution

The fourth proportional to 134,699.25, 185,901.84 and 77,356.56 is: 106,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,699.25 : 185,901.84 = 77,356.56 : x
  2. Step 2: Convert to fraction form
    134,699.25/185,901.84 = 77,356.56/x
  3. Step 3: Cross multiply
    134,699.25x = 185,901.84 × 77,356.56
  4. Step 4: Simplify right side
    134,699.25x = 14,380,726,840.07
  5. Step 5: Solve for x
    x = 14,380,726,840.07/134,699.25
  6. Step 6: Final answer
    x = 106,761.74

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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.