Home / 148,724.24-205,239.69-80,741.21

Finding the Fourth Proportional to 148,724.24, 205,239.69 and 80,741.21

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Solution

The fourth proportional to 148,724.24, 205,239.69 and 80,741.21 is: 111,423.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,724.24 : 205,239.69 = 80,741.21 : x
  2. Step 2: Convert to fraction form
    148,724.24/205,239.69 = 80,741.21/x
  3. Step 3: Cross multiply
    148,724.24x = 205,239.69 × 80,741.21
  4. Step 4: Simplify right side
    148,724.24x = 16,571,299,884.43
  5. Step 5: Solve for x
    x = 16,571,299,884.43/148,724.24
  6. Step 6: Final answer
    x = 111,423.00

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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.