Home / 114,148.55-157,511.19-65,766.30

Finding the Fourth Proportional to 114,148.55, 157,511.19 and 65,766.30

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Solution

The fourth proportional to 114,148.55, 157,511.19 and 65,766.30 is: 90,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,148.55 : 157,511.19 = 65,766.30 : x
  2. Step 2: Convert to fraction form
    114,148.55/157,511.19 = 65,766.30/x
  3. Step 3: Cross multiply
    114,148.55x = 157,511.19 × 65,766.30
  4. Step 4: Simplify right side
    114,148.55x = 10,358,928,174.90
  5. Step 5: Solve for x
    x = 10,358,928,174.90/114,148.55
  6. Step 6: Final answer
    x = 90,749.54

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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.