Home / 158,516.44-218,775.06-98,106.52

Finding the Fourth Proportional to 158,516.44, 218,775.06 and 98,106.52

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Solution

The fourth proportional to 158,516.44, 218,775.06 and 98,106.52 is: 135,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,516.44 : 218,775.06 = 98,106.52 : x
  2. Step 2: Convert to fraction form
    158,516.44/218,775.06 = 98,106.52/x
  3. Step 3: Cross multiply
    158,516.44x = 218,775.06 × 98,106.52
  4. Step 4: Simplify right side
    158,516.44x = 21,463,259,799.39
  5. Step 5: Solve for x
    x = 21,463,259,799.39/158,516.44
  6. Step 6: Final answer
    x = 135,400.84

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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.