Home / 316,986.23-437,485.86-196,166.43

Finding the Fourth Proportional to 316,986.23, 437,485.86 and 196,166.43

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Solution

The fourth proportional to 316,986.23, 437,485.86 and 196,166.43 is: 270,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,986.23 : 437,485.86 = 196,166.43 : x
  2. Step 2: Convert to fraction form
    316,986.23/437,485.86 = 196,166.43/x
  3. Step 3: Cross multiply
    316,986.23x = 437,485.86 × 196,166.43
  4. Step 4: Simplify right side
    316,986.23x = 85,820,038,596.06
  5. Step 5: Solve for x
    x = 85,820,038,596.06/316,986.23
  6. Step 6: Final answer
    x = 270,737.43

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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.