Home / 144,586.12-199,483.38-80,913.80

Finding the Fourth Proportional to 144,586.12, 199,483.38 and 80,913.80

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Solution

The fourth proportional to 144,586.12, 199,483.38 and 80,913.80 is: 111,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,586.12 : 199,483.38 = 80,913.80 : x
  2. Step 2: Convert to fraction form
    144,586.12/199,483.38 = 80,913.80/x
  3. Step 3: Cross multiply
    144,586.12x = 199,483.38 × 80,913.80
  4. Step 4: Simplify right side
    144,586.12x = 16,140,958,312.64
  5. Step 5: Solve for x
    x = 16,140,958,312.64/144,586.12
  6. Step 6: Final answer
    x = 111,635.60

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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.