Home / 275,257.96-379,766.30-160,510.68

Finding the Fourth Proportional to 275,257.96, 379,766.30 and 160,510.68

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Solution

The fourth proportional to 275,257.96, 379,766.30 and 160,510.68 is: 221,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,257.96 : 379,766.30 = 160,510.68 : x
  2. Step 2: Convert to fraction form
    275,257.96/379,766.30 = 160,510.68/x
  3. Step 3: Cross multiply
    275,257.96x = 379,766.30 × 160,510.68
  4. Step 4: Simplify right side
    275,257.96x = 60,956,547,054.08
  5. Step 5: Solve for x
    x = 60,956,547,054.08/275,257.96
  6. Step 6: Final answer
    x = 221,452.44

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1.5x scale

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.