Home / 148,315.25-204,673.41-80,330.53

Finding the Fourth Proportional to 148,315.25, 204,673.41 and 80,330.53

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Solution

The fourth proportional to 148,315.25, 204,673.41 and 80,330.53 is: 110,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,315.25 : 204,673.41 = 80,330.53 : x
  2. Step 2: Convert to fraction form
    148,315.25/204,673.41 = 80,330.53/x
  3. Step 3: Cross multiply
    148,315.25x = 204,673.41 × 80,330.53
  4. Step 4: Simplify right side
    148,315.25x = 16,441,523,502.21
  5. Step 5: Solve for x
    x = 16,441,523,502.21/148,315.25
  6. Step 6: Final answer
    x = 110,855.25

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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.