Home / 306,194.23-422,547.46-170,240.73

Finding the Fourth Proportional to 306,194.23, 422,547.46 and 170,240.73

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Solution

The fourth proportional to 306,194.23, 422,547.46 and 170,240.73 is: 234,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,194.23 : 422,547.46 = 170,240.73 : x
  2. Step 2: Convert to fraction form
    306,194.23/422,547.46 = 170,240.73/x
  3. Step 3: Cross multiply
    306,194.23x = 422,547.46 × 170,240.73
  4. Step 4: Simplify right side
    306,194.23x = 71,934,788,050.05
  5. Step 5: Solve for x
    x = 71,934,788,050.05/306,194.23
  6. Step 6: Final answer
    x = 234,931.89

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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.