Home / 111,140.10-166,715.28-36,260.10

Finding the Fourth Proportional to 111,140.10, 166,715.28 and 36,260.10

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Solution

The fourth proportional to 111,140.10, 166,715.28 and 36,260.10 is: 54,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.10 : 166,715.28 = 36,260.10 : x
  2. Step 2: Convert to fraction form
    111,140.10/166,715.28 = 36,260.10/x
  3. Step 3: Cross multiply
    111,140.10x = 166,715.28 × 36,260.10
  4. Step 4: Simplify right side
    111,140.10x = 6,045,112,724.33
  5. Step 5: Solve for x
    x = 6,045,112,724.33/111,140.10
  6. Step 6: Final answer
    x = 54,391.82

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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.