Home / 199,109.49-298,707.95-146,359.05

Finding the Fourth Proportional to 199,109.49, 298,707.95 and 146,359.05

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Solution

The fourth proportional to 199,109.49, 298,707.95 and 146,359.05 is: 219,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,109.49 : 298,707.95 = 146,359.05 : x
  2. Step 2: Convert to fraction form
    199,109.49/298,707.95 = 146,359.05/x
  3. Step 3: Cross multiply
    199,109.49x = 298,707.95 × 146,359.05
  4. Step 4: Simplify right side
    199,109.49x = 43,718,612,715.42
  5. Step 5: Solve for x
    x = 43,718,612,715.42/199,109.49
  6. Step 6: Final answer
    x = 219,570.71

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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.