Home / 219,399.51-329,161.98-129,524.23

Finding the Fourth Proportional to 219,399.51, 329,161.98 and 129,524.23

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Solution

The fourth proportional to 219,399.51, 329,161.98 and 129,524.23 is: 194,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,399.51 : 329,161.98 = 129,524.23 : x
  2. Step 2: Convert to fraction form
    219,399.51/329,161.98 = 129,524.23/x
  3. Step 3: Cross multiply
    219,399.51x = 329,161.98 × 129,524.23
  4. Step 4: Simplify right side
    219,399.51x = 42,634,450,358.97
  5. Step 5: Solve for x
    x = 42,634,450,358.97/219,399.51
  6. Step 6: Final answer
    x = 194,323.36

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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.