Home / 354,252.45-531,493.56-212,075.58

Finding the Fourth Proportional to 354,252.45, 531,493.56 and 212,075.58

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Solution

The fourth proportional to 354,252.45, 531,493.56 and 212,075.58 is: 318,182.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,252.45 : 531,493.56 = 212,075.58 : x
  2. Step 2: Convert to fraction form
    354,252.45/531,493.56 = 212,075.58/x
  3. Step 3: Cross multiply
    354,252.45x = 531,493.56 × 212,075.58
  4. Step 4: Simplify right side
    354,252.45x = 112,716,805,003.27
  5. Step 5: Solve for x
    x = 112,716,805,003.27/354,252.45
  6. Step 6: Final answer
    x = 318,182.15

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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.