Home / 118,374.84-163,356.66-64,659.24

Finding the Fourth Proportional to 118,374.84, 163,356.66 and 64,659.24

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Solution

The fourth proportional to 118,374.84, 163,356.66 and 64,659.24 is: 89,229.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,374.84 : 163,356.66 = 64,659.24 : x
  2. Step 2: Convert to fraction form
    118,374.84/163,356.66 = 64,659.24/x
  3. Step 3: Cross multiply
    118,374.84x = 163,356.66 × 64,659.24
  4. Step 4: Simplify right side
    118,374.84x = 10,562,517,484.54
  5. Step 5: Solve for x
    x = 10,562,517,484.54/118,374.84
  6. Step 6: Final answer
    x = 89,229.41

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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.