Home / 338,326.74-507,331.18-196,212.40

Finding the Fourth Proportional to 338,326.74, 507,331.18 and 196,212.40

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Solution

The fourth proportional to 338,326.74, 507,331.18 and 196,212.40 is: 294,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,326.74 : 507,331.18 = 196,212.40 : x
  2. Step 2: Convert to fraction form
    338,326.74/507,331.18 = 196,212.40/x
  3. Step 3: Cross multiply
    338,326.74x = 507,331.18 × 196,212.40
  4. Step 4: Simplify right side
    338,326.74x = 99,544,668,422.63
  5. Step 5: Solve for x
    x = 99,544,668,422.63/338,326.74
  6. Step 6: Final answer
    x = 294,226.43

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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.