Home / 235,195.12-351,015.31-212,494.74

Finding the Fourth Proportional to 235,195.12, 351,015.31 and 212,494.74

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Solution

The fourth proportional to 235,195.12, 351,015.31 and 212,494.74 is: 317,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,195.12 : 351,015.31 = 212,494.74 : x
  2. Step 2: Convert to fraction form
    235,195.12/351,015.31 = 212,494.74/x
  3. Step 3: Cross multiply
    235,195.12x = 351,015.31 × 212,494.74
  4. Step 4: Simplify right side
    235,195.12x = 74,588,907,034.47
  5. Step 5: Solve for x
    x = 74,588,907,034.47/235,195.12
  6. Step 6: Final answer
    x = 317,136.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.