Home / 108,033.27-149,038.44-103,030.50

Finding the Fourth Proportional to 108,033.27, 149,038.44 and 103,030.50

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Solution

The fourth proportional to 108,033.27, 149,038.44 and 103,030.50 is: 142,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,033.27 : 149,038.44 = 103,030.50 : x
  2. Step 2: Convert to fraction form
    108,033.27/149,038.44 = 103,030.50/x
  3. Step 3: Cross multiply
    108,033.27x = 149,038.44 × 103,030.50
  4. Step 4: Simplify right side
    108,033.27x = 15,355,504,477.27
  5. Step 5: Solve for x
    x = 15,355,504,477.27/108,033.27
  6. Step 6: Final answer
    x = 142,136.82

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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.