Home / 134,800.44-202,199.70-105,243

Finding the Fourth Proportional to 134,800.44, 202,199.70 and 105,243

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Solution

The fourth proportional to 134,800.44, 202,199.70 and 105,243 is: 157,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,800.44 : 202,199.70 = 105,243 : x
  2. Step 2: Convert to fraction form
    134,800.44/202,199.70 = 105,243/x
  3. Step 3: Cross multiply
    134,800.44x = 202,199.70 × 105,243
  4. Step 4: Simplify right side
    134,800.44x = 21,280,103,027.10
  5. Step 5: Solve for x
    x = 21,280,103,027.10/134,800.44
  6. Step 6: Final answer
    x = 157,863.75

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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.