Home / 326,878.39-451,089.48-183,635.38

Finding the Fourth Proportional to 326,878.39, 451,089.48 and 183,635.38

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Solution

The fourth proportional to 326,878.39, 451,089.48 and 183,635.38 is: 253,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,878.39 : 451,089.48 = 183,635.38 : x
  2. Step 2: Convert to fraction form
    326,878.39/451,089.48 = 183,635.38/x
  3. Step 3: Cross multiply
    326,878.39x = 451,089.48 × 183,635.38
  4. Step 4: Simplify right side
    326,878.39x = 82,835,988,073.80
  5. Step 5: Solve for x
    x = 82,835,988,073.80/326,878.39
  6. Step 6: Final answer
    x = 253,415.31

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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.