Home / 212,015.45-318,020.52-62,250.33

Finding the Fourth Proportional to 212,015.45, 318,020.52 and 62,250.33

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Solution

The fourth proportional to 212,015.45, 318,020.52 and 62,250.33 is: 93,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,015.45 : 318,020.52 = 62,250.33 : x
  2. Step 2: Convert to fraction form
    212,015.45/318,020.52 = 62,250.33/x
  3. Step 3: Cross multiply
    212,015.45x = 318,020.52 × 62,250.33
  4. Step 4: Simplify right side
    212,015.45x = 19,796,882,316.77
  5. Step 5: Solve for x
    x = 19,796,882,316.77/212,015.45
  6. Step 6: Final answer
    x = 93,374.72

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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.