Home / 157,740.54-236,485.17-91,105.26

Finding the Fourth Proportional to 157,740.54, 236,485.17 and 91,105.26

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Solution

The fourth proportional to 157,740.54, 236,485.17 and 91,105.26 is: 136,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,740.54 : 236,485.17 = 91,105.26 : x
  2. Step 2: Convert to fraction form
    157,740.54/236,485.17 = 91,105.26/x
  3. Step 3: Cross multiply
    157,740.54x = 236,485.17 × 91,105.26
  4. Step 4: Simplify right side
    157,740.54x = 21,545,042,898.99
  5. Step 5: Solve for x
    x = 21,545,042,898.99/157,740.54
  6. Step 6: Final answer
    x = 136,585.32

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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.