Home / 139,896.57-193,056.93-76,234.26

Finding the Fourth Proportional to 139,896.57, 193,056.93 and 76,234.26

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Solution

The fourth proportional to 139,896.57, 193,056.93 and 76,234.26 is: 105,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,896.57 : 193,056.93 = 76,234.26 : x
  2. Step 2: Convert to fraction form
    139,896.57/193,056.93 = 76,234.26/x
  3. Step 3: Cross multiply
    139,896.57x = 193,056.93 × 76,234.26
  4. Step 4: Simplify right side
    139,896.57x = 14,717,552,196.42
  5. Step 5: Solve for x
    x = 14,717,552,196.42/139,896.57
  6. Step 6: Final answer
    x = 105,203.10

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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.