Home / 157,979.97-236,990.44-58,141.36

Finding the Fourth Proportional to 157,979.97, 236,990.44 and 58,141.36

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Solution

The fourth proportional to 157,979.97, 236,990.44 and 58,141.36 is: 87,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,979.97 : 236,990.44 = 58,141.36 : x
  2. Step 2: Convert to fraction form
    157,979.97/236,990.44 = 58,141.36/x
  3. Step 3: Cross multiply
    157,979.97x = 236,990.44 × 58,141.36
  4. Step 4: Simplify right side
    157,979.97x = 13,778,946,857.51
  5. Step 5: Solve for x
    x = 13,778,946,857.51/157,979.97
  6. Step 6: Final answer
    x = 87,219.58

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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.