Home / 292,811.65-404,063.30-161,981.49

Finding the Fourth Proportional to 292,811.65, 404,063.30 and 161,981.49

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Solution

The fourth proportional to 292,811.65, 404,063.30 and 161,981.49 is: 223,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,811.65 : 404,063.30 = 161,981.49 : x
  2. Step 2: Convert to fraction form
    292,811.65/404,063.30 = 161,981.49/x
  3. Step 3: Cross multiply
    292,811.65x = 404,063.30 × 161,981.49
  4. Step 4: Simplify right side
    292,811.65x = 65,450,775,388.32
  5. Step 5: Solve for x
    x = 65,450,775,388.32/292,811.65
  6. Step 6: Final answer
    x = 223,525.18

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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.