Home / 238,306.05-357,457.86-111,945.65

Finding the Fourth Proportional to 238,306.05, 357,457.86 and 111,945.65

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Solution

The fourth proportional to 238,306.05, 357,457.86 and 111,945.65 is: 167,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,306.05 : 357,457.86 = 111,945.65 : x
  2. Step 2: Convert to fraction form
    238,306.05/357,457.86 = 111,945.65/x
  3. Step 3: Cross multiply
    238,306.05x = 357,457.86 × 111,945.65
  4. Step 4: Simplify right side
    238,306.05x = 40,015,850,698.02
  5. Step 5: Solve for x
    x = 40,015,850,698.02/238,306.05
  6. Step 6: Final answer
    x = 167,917.90

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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.