Home / 151,794.49-209,465.58-83,800.48

Finding the Fourth Proportional to 151,794.49, 209,465.58 and 83,800.48

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Solution

The fourth proportional to 151,794.49, 209,465.58 and 83,800.48 is: 115,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,794.49 : 209,465.58 = 83,800.48 : x
  2. Step 2: Convert to fraction form
    151,794.49/209,465.58 = 83,800.48/x
  3. Step 3: Cross multiply
    151,794.49x = 209,465.58 × 83,800.48
  4. Step 4: Simplify right side
    151,794.49x = 17,553,316,147.48
  5. Step 5: Solve for x
    x = 17,553,316,147.48/151,794.49
  6. Step 6: Final answer
    x = 115,638.69

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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.