Home / 199,019.76-274,705.20-159,012.24

Finding the Fourth Proportional to 199,019.76, 274,705.20 and 159,012.24

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Solution

The fourth proportional to 199,019.76, 274,705.20 and 159,012.24 is: 219,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,019.76 : 274,705.20 = 159,012.24 : x
  2. Step 2: Convert to fraction form
    199,019.76/274,705.20 = 159,012.24/x
  3. Step 3: Cross multiply
    199,019.76x = 274,705.20 × 159,012.24
  4. Step 4: Simplify right side
    199,019.76x = 43,681,489,191.65
  5. Step 5: Solve for x
    x = 43,681,489,191.65/199,019.76
  6. Step 6: Final answer
    x = 219,483.18

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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.