Home / 149,277.55-205,993.69-82,209.55

Finding the Fourth Proportional to 149,277.55, 205,993.69 and 82,209.55

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Solution

The fourth proportional to 149,277.55, 205,993.69 and 82,209.55 is: 113,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,277.55 : 205,993.69 = 82,209.55 : x
  2. Step 2: Convert to fraction form
    149,277.55/205,993.69 = 82,209.55/x
  3. Step 3: Cross multiply
    149,277.55x = 205,993.69 × 82,209.55
  4. Step 4: Simplify right side
    149,277.55x = 16,934,648,557.74
  5. Step 5: Solve for x
    x = 16,934,648,557.74/149,277.55
  6. Step 6: Final answer
    x = 113,444.04

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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.