Home / 371,795.27-513,076.14-210,681.11

Finding the Fourth Proportional to 371,795.27, 513,076.14 and 210,681.11

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Solution

The fourth proportional to 371,795.27, 513,076.14 and 210,681.11 is: 290,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,795.27 : 513,076.14 = 210,681.11 : x
  2. Step 2: Convert to fraction form
    371,795.27/513,076.14 = 210,681.11/x
  3. Step 3: Cross multiply
    371,795.27x = 513,076.14 × 210,681.11
  4. Step 4: Simplify right side
    371,795.27x = 108,095,449,086.35
  5. Step 5: Solve for x
    x = 108,095,449,086.35/371,795.27
  6. Step 6: Final answer
    x = 290,739.17

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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.