Home / 346,339.09-477,943.23-193,379.64

Finding the Fourth Proportional to 346,339.09, 477,943.23 and 193,379.64

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Solution

The fourth proportional to 346,339.09, 477,943.23 and 193,379.64 is: 266,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,339.09 : 477,943.23 = 193,379.64 : x
  2. Step 2: Convert to fraction form
    346,339.09/477,943.23 = 193,379.64/x
  3. Step 3: Cross multiply
    346,339.09x = 477,943.23 × 193,379.64
  4. Step 4: Simplify right side
    346,339.09x = 92,424,489,757.84
  5. Step 5: Solve for x
    x = 92,424,489,757.84/346,339.09
  6. Step 6: Final answer
    x = 266,861.27

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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.