Home / 95,745.20-143,617.80-89,840.30

Finding the Fourth Proportional to 95,745.20, 143,617.80 and 89,840.30

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Solution

The fourth proportional to 95,745.20, 143,617.80 and 89,840.30 is: 134,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,745.20 : 143,617.80 = 89,840.30 : x
  2. Step 2: Convert to fraction form
    95,745.20/143,617.80 = 89,840.30/x
  3. Step 3: Cross multiply
    95,745.20x = 143,617.80 × 89,840.30
  4. Step 4: Simplify right side
    95,745.20x = 12,902,666,237.34
  5. Step 5: Solve for x
    x = 12,902,666,237.34/95,745.20
  6. Step 6: Final answer
    x = 134,760.45

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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.