Home / 118,971.49-178,106.61-104,209.24

Finding the Fourth Proportional to 118,971.49, 178,106.61 and 104,209.24

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Solution

The fourth proportional to 118,971.49, 178,106.61 and 104,209.24 is: 156,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,971.49 : 178,106.61 = 104,209.24 : x
  2. Step 2: Convert to fraction form
    118,971.49/178,106.61 = 104,209.24/x
  3. Step 3: Cross multiply
    118,971.49x = 178,106.61 × 104,209.24
  4. Step 4: Simplify right side
    118,971.49x = 18,560,354,412.59
  5. Step 5: Solve for x
    x = 18,560,354,412.59/118,971.49
  6. Step 6: Final answer
    x = 156,006.74

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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.