Home / 369,205.55-509,504.11-199,439.67

Finding the Fourth Proportional to 369,205.55, 509,504.11 and 199,439.67

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Solution

The fourth proportional to 369,205.55, 509,504.11 and 199,439.67 is: 275,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,205.55 : 509,504.11 = 199,439.67 : x
  2. Step 2: Convert to fraction form
    369,205.55/509,504.11 = 199,439.67/x
  3. Step 3: Cross multiply
    369,205.55x = 509,504.11 × 199,439.67
  4. Step 4: Simplify right side
    369,205.55x = 101,615,333,721.98
  5. Step 5: Solve for x
    x = 101,615,333,721.98/369,205.55
  6. Step 6: Final answer
    x = 275,227.00

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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.