Home / 124,516.26-186,749.28-45,603.54

Finding the Fourth Proportional to 124,516.26, 186,749.28 and 45,603.54

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Solution

The fourth proportional to 124,516.26, 186,749.28 and 45,603.54 is: 68,396.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.26 : 186,749.28 = 45,603.54 : x
  2. Step 2: Convert to fraction form
    124,516.26/186,749.28 = 45,603.54/x
  3. Step 3: Cross multiply
    124,516.26x = 186,749.28 × 45,603.54
  4. Step 4: Simplify right side
    124,516.26x = 8,516,428,260.45
  5. Step 5: Solve for x
    x = 8,516,428,260.45/124,516.26
  6. Step 6: Final answer
    x = 68,396.11

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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.