Home / 338,319.73-507,320.69-196,205.40

Finding the Fourth Proportional to 338,319.73, 507,320.69 and 196,205.40

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Solution

The fourth proportional to 338,319.73, 507,320.69 and 196,205.40 is: 294,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,319.73 : 507,320.69 = 196,205.40 : x
  2. Step 2: Convert to fraction form
    338,319.73/507,320.69 = 196,205.40/x
  3. Step 3: Cross multiply
    338,319.73x = 507,320.69 × 196,205.40
  4. Step 4: Simplify right side
    338,319.73x = 99,539,057,928.70
  5. Step 5: Solve for x
    x = 99,539,057,928.70/338,319.73
  6. Step 6: Final answer
    x = 294,215.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.