Home / 212,095.40-317,949.33-193,605.66

Finding the Fourth Proportional to 212,095.40, 317,949.33 and 193,605.66

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Solution

The fourth proportional to 212,095.40, 317,949.33 and 193,605.66 is: 290,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,095.40 : 317,949.33 = 193,605.66 : x
  2. Step 2: Convert to fraction form
    212,095.40/317,949.33 = 193,605.66/x
  3. Step 3: Cross multiply
    212,095.40x = 317,949.33 × 193,605.66
  4. Step 4: Simplify right side
    212,095.40x = 61,556,790,607.23
  5. Step 5: Solve for x
    x = 61,556,790,607.23/212,095.40
  6. Step 6: Final answer
    x = 290,231.62

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1.5x scale

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.