Home / 148,307.55-204,665.03-80,325.33

Finding the Fourth Proportional to 148,307.55, 204,665.03 and 80,325.33

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Solution

The fourth proportional to 148,307.55, 204,665.03 and 80,325.33 is: 110,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,307.55 : 204,665.03 = 80,325.33 : x
  2. Step 2: Convert to fraction form
    148,307.55/204,665.03 = 80,325.33/x
  3. Step 3: Cross multiply
    148,307.55x = 204,665.03 × 80,325.33
  4. Step 4: Simplify right side
    148,307.55x = 16,439,786,074.21
  5. Step 5: Solve for x
    x = 16,439,786,074.21/148,307.55
  6. Step 6: Final answer
    x = 110,849.29

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1.5x scale

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.