Home / 149,280.48-205,720.84-95,471.76

Finding the Fourth Proportional to 149,280.48, 205,720.84 and 95,471.76

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Solution

The fourth proportional to 149,280.48, 205,720.84 and 95,471.76 is: 131,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,280.48 : 205,720.84 = 95,471.76 : x
  2. Step 2: Convert to fraction form
    149,280.48/205,720.84 = 95,471.76/x
  3. Step 3: Cross multiply
    149,280.48x = 205,720.84 × 95,471.76
  4. Step 4: Simplify right side
    149,280.48x = 19,640,530,663.48
  5. Step 5: Solve for x
    x = 19,640,530,663.48/149,280.48
  6. Step 6: Final answer
    x = 131,567.98

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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.