Home / 236,046.69-354,378.68-140,158.89

Finding the Fourth Proportional to 236,046.69, 354,378.68 and 140,158.89

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Solution

The fourth proportional to 236,046.69, 354,378.68 and 140,158.89 is: 210,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,046.69 : 354,378.68 = 140,158.89 : x
  2. Step 2: Convert to fraction form
    236,046.69/354,378.68 = 140,158.89/x
  3. Step 3: Cross multiply
    236,046.69x = 354,378.68 × 140,158.89
  4. Step 4: Simplify right side
    236,046.69x = 49,669,321,727.67
  5. Step 5: Solve for x
    x = 49,669,321,727.67/236,046.69
  6. Step 6: Final answer
    x = 210,421.60

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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.