Home / 219,940.12-329,910.06-79,698.52

Finding the Fourth Proportional to 219,940.12, 329,910.06 and 79,698.52

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Solution

The fourth proportional to 219,940.12, 329,910.06 and 79,698.52 is: 119,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,940.12 : 329,910.06 = 79,698.52 : x
  2. Step 2: Convert to fraction form
    219,940.12/329,910.06 = 79,698.52/x
  3. Step 3: Cross multiply
    219,940.12x = 329,910.06 × 79,698.52
  4. Step 4: Simplify right side
    219,940.12x = 26,293,343,515.11
  5. Step 5: Solve for x
    x = 26,293,343,515.11/219,940.12
  6. Step 6: Final answer
    x = 119,547.74

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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.