Home / 111,580.26-153,913.14-66,228.36

Finding the Fourth Proportional to 111,580.26, 153,913.14 and 66,228.36

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Solution

The fourth proportional to 111,580.26, 153,913.14 and 66,228.36 is: 91,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,580.26 : 153,913.14 = 66,228.36 : x
  2. Step 2: Convert to fraction form
    111,580.26/153,913.14 = 66,228.36/x
  3. Step 3: Cross multiply
    111,580.26x = 153,913.14 × 66,228.36
  4. Step 4: Simplify right side
    111,580.26x = 10,193,414,844.65
  5. Step 5: Solve for x
    x = 10,193,414,844.65/111,580.26
  6. Step 6: Final answer
    x = 91,355.00

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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.