Home / 148,090.41-204,299.84-86,805.53

Finding the Fourth Proportional to 148,090.41, 204,299.84 and 86,805.53

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Solution

The fourth proportional to 148,090.41, 204,299.84 and 86,805.53 is: 119,753.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,090.41 : 204,299.84 = 86,805.53 : x
  2. Step 2: Convert to fraction form
    148,090.41/204,299.84 = 86,805.53/x
  3. Step 3: Cross multiply
    148,090.41x = 204,299.84 × 86,805.53
  4. Step 4: Simplify right side
    148,090.41x = 17,734,355,890.12
  5. Step 5: Solve for x
    x = 17,734,355,890.12/148,090.41
  6. Step 6: Final answer
    x = 119,753.57

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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.