Home / 149,990.71-224,986.08-103,538.83

Finding the Fourth Proportional to 149,990.71, 224,986.08 and 103,538.83

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Solution

The fourth proportional to 149,990.71, 224,986.08 and 103,538.83 is: 155,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,990.71 : 224,986.08 = 103,538.83 : x
  2. Step 2: Convert to fraction form
    149,990.71/224,986.08 = 103,538.83/x
  3. Step 3: Cross multiply
    149,990.71x = 224,986.08 × 103,538.83
  4. Step 4: Simplify right side
    149,990.71x = 23,294,795,489.49
  5. Step 5: Solve for x
    x = 23,294,795,489.49/149,990.71
  6. Step 6: Final answer
    x = 155,308.26

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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.