Home / 157,871.77-236,844.61-107,975.36

Finding the Fourth Proportional to 157,871.77, 236,844.61 and 107,975.36

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Solution

The fourth proportional to 157,871.77, 236,844.61 and 107,975.36 is: 161,988.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,871.77 : 236,844.61 = 107,975.36 : x
  2. Step 2: Convert to fraction form
    157,871.77/236,844.61 = 107,975.36/x
  3. Step 3: Cross multiply
    157,871.77x = 236,844.61 × 107,975.36
  4. Step 4: Simplify right side
    157,871.77x = 25,573,382,350.98
  5. Step 5: Solve for x
    x = 25,573,382,350.98/157,871.77
  6. Step 6: Final answer
    x = 161,988.32

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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.