Home / 345,930.17-477,365.42-192,984.35

Finding the Fourth Proportional to 345,930.17, 477,365.42 and 192,984.35

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Solution

The fourth proportional to 345,930.17, 477,365.42 and 192,984.35 is: 266,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,930.17 : 477,365.42 = 192,984.35 : x
  2. Step 2: Convert to fraction form
    345,930.17/477,365.42 = 192,984.35/x
  3. Step 3: Cross multiply
    345,930.17x = 477,365.42 × 192,984.35
  4. Step 4: Simplify right side
    345,930.17x = 92,124,054,326.26
  5. Step 5: Solve for x
    x = 92,124,054,326.26/345,930.17
  6. Step 6: Final answer
    x = 266,308.24

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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.