Home / 188,998.20-282,914.10-109,877.40

Finding the Fourth Proportional to 188,998.20, 282,914.10 and 109,877.40

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Solution

The fourth proportional to 188,998.20, 282,914.10 and 109,877.40 is: 164,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,998.20 : 282,914.10 = 109,877.40 : x
  2. Step 2: Convert to fraction form
    188,998.20/282,914.10 = 109,877.40/x
  3. Step 3: Cross multiply
    188,998.20x = 282,914.10 × 109,877.40
  4. Step 4: Simplify right side
    188,998.20x = 31,085,865,731.34
  5. Step 5: Solve for x
    x = 31,085,865,731.34/188,998.20
  6. Step 6: Final answer
    x = 164,477.05

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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.