Home / 185,744.16-256,322.88-100,860.48

Finding the Fourth Proportional to 185,744.16, 256,322.88 and 100,860.48

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Solution

The fourth proportional to 185,744.16, 256,322.88 and 100,860.48 is: 139,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,744.16 : 256,322.88 = 100,860.48 : x
  2. Step 2: Convert to fraction form
    185,744.16/256,322.88 = 100,860.48/x
  3. Step 3: Cross multiply
    185,744.16x = 256,322.88 × 100,860.48
  4. Step 4: Simplify right side
    185,744.16x = 25,852,848,711.78
  5. Step 5: Solve for x
    x = 25,852,848,711.78/185,744.16
  6. Step 6: Final answer
    x = 139,185.26

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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.