Home / 329,106.23-493,837.95-139,673.15

Finding the Fourth Proportional to 329,106.23, 493,837.95 and 139,673.15

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Solution

The fourth proportional to 329,106.23, 493,837.95 and 139,673.15 is: 209,585.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,106.23 : 493,837.95 = 139,673.15 : x
  2. Step 2: Convert to fraction form
    329,106.23/493,837.95 = 139,673.15/x
  3. Step 3: Cross multiply
    329,106.23x = 493,837.95 × 139,673.15
  4. Step 4: Simplify right side
    329,106.23x = 68,975,902,066.04
  5. Step 5: Solve for x
    x = 68,975,902,066.04/329,106.23
  6. Step 6: Final answer
    x = 209,585.53

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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.