Home / 118,241.50-163,176.72-64,529.96

Finding the Fourth Proportional to 118,241.50, 163,176.72 and 64,529.96

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Solution

The fourth proportional to 118,241.50, 163,176.72 and 64,529.96 is: 89,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,241.50 : 163,176.72 = 64,529.96 : x
  2. Step 2: Convert to fraction form
    118,241.50/163,176.72 = 64,529.96/x
  3. Step 3: Cross multiply
    118,241.50x = 163,176.72 × 64,529.96
  4. Step 4: Simplify right side
    118,241.50x = 10,529,787,214.53
  5. Step 5: Solve for x
    x = 10,529,787,214.53/118,241.50
  6. Step 6: Final answer
    x = 89,053.23

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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.