Home / 105,165.94-157,749.32-26,280.25

Finding the Fourth Proportional to 105,165.94, 157,749.32 and 26,280.25

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Solution

The fourth proportional to 105,165.94, 157,749.32 and 26,280.25 is: 39,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,165.94 : 157,749.32 = 26,280.25 : x
  2. Step 2: Convert to fraction form
    105,165.94/157,749.32 = 26,280.25/x
  3. Step 3: Cross multiply
    105,165.94x = 157,749.32 × 26,280.25
  4. Step 4: Simplify right side
    105,165.94x = 4,145,691,566.93
  5. Step 5: Solve for x
    x = 4,145,691,566.93/105,165.94
  6. Step 6: Final answer
    x = 39,420.48

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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.