Home / 118,356.96-163,333.84-64,643.52

Finding the Fourth Proportional to 118,356.96, 163,333.84 and 64,643.52

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Solution

The fourth proportional to 118,356.96, 163,333.84 and 64,643.52 is: 89,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,356.96 : 163,333.84 = 64,643.52 : x
  2. Step 2: Convert to fraction form
    118,356.96/163,333.84 = 64,643.52/x
  3. Step 3: Cross multiply
    118,356.96x = 163,333.84 × 64,643.52
  4. Step 4: Simplify right side
    118,356.96x = 10,558,474,352.72
  5. Step 5: Solve for x
    x = 10,558,474,352.72/118,356.96
  6. Step 6: Final answer
    x = 89,208.73

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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.