Home / 192,088.54-287,899.51-135,945.06

Finding the Fourth Proportional to 192,088.54, 287,899.51 and 135,945.06

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Solution

The fourth proportional to 192,088.54, 287,899.51 and 135,945.06 is: 203,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,088.54 : 287,899.51 = 135,945.06 : x
  2. Step 2: Convert to fraction form
    192,088.54/287,899.51 = 135,945.06/x
  3. Step 3: Cross multiply
    192,088.54x = 287,899.51 × 135,945.06
  4. Step 4: Simplify right side
    192,088.54x = 39,138,516,160.92
  5. Step 5: Solve for x
    x = 39,138,516,160.92/192,088.54
  6. Step 6: Final answer
    x = 203,752.48

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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.