Home / 103,703.80-155,166.90-94,372.60

Finding the Fourth Proportional to 103,703.80, 155,166.90 and 94,372.60

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Solution

The fourth proportional to 103,703.80, 155,166.90 and 94,372.60 is: 141,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,703.80 : 155,166.90 = 94,372.60 : x
  2. Step 2: Convert to fraction form
    103,703.80/155,166.90 = 94,372.60/x
  3. Step 3: Cross multiply
    103,703.80x = 155,166.90 × 94,372.60
  4. Step 4: Simplify right side
    103,703.80x = 14,643,503,786.94
  5. Step 5: Solve for x
    x = 14,643,503,786.94/103,703.80
  6. Step 6: Final answer
    x = 141,205.08

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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.