Home / 118,311.84-163,270.82-64,598.04

Finding the Fourth Proportional to 118,311.84, 163,270.82 and 64,598.04

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Solution

The fourth proportional to 118,311.84, 163,270.82 and 64,598.04 is: 89,145.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,311.84 : 163,270.82 = 64,598.04 : x
  2. Step 2: Convert to fraction form
    118,311.84/163,270.82 = 64,598.04/x
  3. Step 3: Cross multiply
    118,311.84x = 163,270.82 × 64,598.04
  4. Step 4: Simplify right side
    118,311.84x = 10,546,975,122.69
  5. Step 5: Solve for x
    x = 10,546,975,122.69/118,311.84
  6. Step 6: Final answer
    x = 89,145.56

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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.