Home / 118,346.15-163,318.80-67,356.38

Finding the Fourth Proportional to 118,346.15, 163,318.80 and 67,356.38

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Solution

The fourth proportional to 118,346.15, 163,318.80 and 67,356.38 is: 92,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.15 : 163,318.80 = 67,356.38 : x
  2. Step 2: Convert to fraction form
    118,346.15/163,318.80 = 67,356.38/x
  3. Step 3: Cross multiply
    118,346.15x = 163,318.80 × 67,356.38
  4. Step 4: Simplify right side
    118,346.15x = 11,000,562,337.35
  5. Step 5: Solve for x
    x = 11,000,562,337.35/118,346.15
  6. Step 6: Final answer
    x = 92,952.43

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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.