Home / 193,845.43-291,100.29-105,271.93

Finding the Fourth Proportional to 193,845.43, 291,100.29 and 105,271.93

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Solution

The fourth proportional to 193,845.43, 291,100.29 and 105,271.93 is: 158,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,845.43 : 291,100.29 = 105,271.93 : x
  2. Step 2: Convert to fraction form
    193,845.43/291,100.29 = 105,271.93/x
  3. Step 3: Cross multiply
    193,845.43x = 291,100.29 × 105,271.93
  4. Step 4: Simplify right side
    193,845.43x = 30,644,689,351.86
  5. Step 5: Solve for x
    x = 30,644,689,351.86/193,845.43
  6. Step 6: Final answer
    x = 158,088.27

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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.