Home / 235,233.20-351,072-212,532.72

Finding the Fourth Proportional to 235,233.20, 351,072 and 212,532.72

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Solution

The fourth proportional to 235,233.20, 351,072 and 212,532.72 is: 317,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,233.20 : 351,072 = 212,532.72 : x
  2. Step 2: Convert to fraction form
    235,233.20/351,072 = 212,532.72/x
  3. Step 3: Cross multiply
    235,233.20x = 351,072 × 212,532.72
  4. Step 4: Simplify right side
    235,233.20x = 74,614,287,075.84
  5. Step 5: Solve for x
    x = 74,614,287,075.84/235,233.20
  6. Step 6: Final answer
    x = 317,192.84

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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.