Home / 118,922.12-178,409.41-34,688.87

Finding the Fourth Proportional to 118,922.12, 178,409.41 and 34,688.87

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Solution

The fourth proportional to 118,922.12, 178,409.41 and 34,688.87 is: 52,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,922.12 : 178,409.41 = 34,688.87 : x
  2. Step 2: Convert to fraction form
    118,922.12/178,409.41 = 34,688.87/x
  3. Step 3: Cross multiply
    118,922.12x = 178,409.41 × 34,688.87
  4. Step 4: Simplify right side
    118,922.12x = 6,188,819,938.22
  5. Step 5: Solve for x
    x = 6,188,819,938.22/118,922.12
  6. Step 6: Final answer
    x = 52,040.95

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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.