Home / 110,915.55-153,090.66-63,197.03

Finding the Fourth Proportional to 110,915.55, 153,090.66 and 63,197.03

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Solution

The fourth proportional to 110,915.55, 153,090.66 and 63,197.03 is: 87,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,915.55 : 153,090.66 = 63,197.03 : x
  2. Step 2: Convert to fraction form
    110,915.55/153,090.66 = 63,197.03/x
  3. Step 3: Cross multiply
    110,915.55x = 153,090.66 × 63,197.03
  4. Step 4: Simplify right side
    110,915.55x = 9,674,874,267.29
  5. Step 5: Solve for x
    x = 9,674,874,267.29/110,915.55
  6. Step 6: Final answer
    x = 87,227.39

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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.