Home / 113,516.69-155,518.56-109,260.24

Finding the Fourth Proportional to 113,516.69, 155,518.56 and 109,260.24

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Solution

The fourth proportional to 113,516.69, 155,518.56 and 109,260.24 is: 149,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,516.69 : 155,518.56 = 109,260.24 : x
  2. Step 2: Convert to fraction form
    113,516.69/155,518.56 = 109,260.24/x
  3. Step 3: Cross multiply
    113,516.69x = 155,518.56 × 109,260.24
  4. Step 4: Simplify right side
    113,516.69x = 16,991,995,174.36
  5. Step 5: Solve for x
    x = 16,991,995,174.36/113,516.69
  6. Step 6: Final answer
    x = 149,687.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.