Home / 357,116.40-492,826.67-195,986.45

Finding the Fourth Proportional to 357,116.40, 492,826.67 and 195,986.45

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Solution

The fourth proportional to 357,116.40, 492,826.67 and 195,986.45 is: 270,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,116.40 : 492,826.67 = 195,986.45 : x
  2. Step 2: Convert to fraction form
    357,116.40/492,826.67 = 195,986.45/x
  3. Step 3: Cross multiply
    357,116.40x = 492,826.67 × 195,986.45
  4. Step 4: Simplify right side
    357,116.40x = 96,587,349,518.62
  5. Step 5: Solve for x
    x = 96,587,349,518.62/357,116.40
  6. Step 6: Final answer
    x = 270,464.61

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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.