Home / 193,208.04-289,436.78-108,710.55

Finding the Fourth Proportional to 193,208.04, 289,436.78 and 108,710.55

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Solution

The fourth proportional to 193,208.04, 289,436.78 and 108,710.55 is: 162,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,208.04 : 289,436.78 = 108,710.55 : x
  2. Step 2: Convert to fraction form
    193,208.04/289,436.78 = 108,710.55/x
  3. Step 3: Cross multiply
    193,208.04x = 289,436.78 × 108,710.55
  4. Step 4: Simplify right side
    193,208.04x = 31,464,831,000.48
  5. Step 5: Solve for x
    x = 31,464,831,000.48/193,208.04
  6. Step 6: Final answer
    x = 162,854.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.