Home / 111,582.26-153,915.90-66,230.36

Finding the Fourth Proportional to 111,582.26, 153,915.90 and 66,230.36

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Solution

The fourth proportional to 111,582.26, 153,915.90 and 66,230.36 is: 91,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,582.26 : 153,915.90 = 66,230.36 : x
  2. Step 2: Convert to fraction form
    111,582.26/153,915.90 = 66,230.36/x
  3. Step 3: Cross multiply
    111,582.26x = 153,915.90 × 66,230.36
  4. Step 4: Simplify right side
    111,582.26x = 10,193,905,466.72
  5. Step 5: Solve for x
    x = 10,193,905,466.72/111,582.26
  6. Step 6: Final answer
    x = 91,357.76

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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.