Home / 193,889.25-291,106.36-99,187.37

Finding the Fourth Proportional to 193,889.25, 291,106.36 and 99,187.37

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Solution

The fourth proportional to 193,889.25, 291,106.36 and 99,187.37 is: 148,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,889.25 : 291,106.36 = 99,187.37 : x
  2. Step 2: Convert to fraction form
    193,889.25/291,106.36 = 99,187.37/x
  3. Step 3: Cross multiply
    193,889.25x = 291,106.36 × 99,187.37
  4. Step 4: Simplify right side
    193,889.25x = 28,874,074,061.71
  5. Step 5: Solve for x
    x = 28,874,074,061.71/193,889.25
  6. Step 6: Final answer
    x = 148,920.45

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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.