Home / 104,745.81-157,143.32-34,625.12

Finding the Fourth Proportional to 104,745.81, 157,143.32 and 34,625.12

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Solution

The fourth proportional to 104,745.81, 157,143.32 and 34,625.12 is: 51,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.81 : 157,143.32 = 34,625.12 : x
  2. Step 2: Convert to fraction form
    104,745.81/157,143.32 = 34,625.12/x
  3. Step 3: Cross multiply
    104,745.81x = 157,143.32 × 34,625.12
  4. Step 4: Simplify right side
    104,745.81x = 5,441,106,312.20
  5. Step 5: Solve for x
    x = 5,441,106,312.20/104,745.81
  6. Step 6: Final answer
    x = 51,945.81

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1.5x scale

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.