Home / 229,072.74-343,526.78-79,272.36

Finding the Fourth Proportional to 229,072.74, 343,526.78 and 79,272.36

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Solution

The fourth proportional to 229,072.74, 343,526.78 and 79,272.36 is: 118,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,072.74 : 343,526.78 = 79,272.36 : x
  2. Step 2: Convert to fraction form
    229,072.74/343,526.78 = 79,272.36/x
  3. Step 3: Cross multiply
    229,072.74x = 343,526.78 × 79,272.36
  4. Step 4: Simplify right side
    229,072.74x = 27,232,178,771.98
  5. Step 5: Solve for x
    x = 27,232,178,771.98/229,072.74
  6. Step 6: Final answer
    x = 118,880.05

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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.