Home / 212,888.72-319,240.36-61,052.24

Finding the Fourth Proportional to 212,888.72, 319,240.36 and 61,052.24

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Solution

The fourth proportional to 212,888.72, 319,240.36 and 61,052.24 is: 91,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,888.72 : 319,240.36 = 61,052.24 : x
  2. Step 2: Convert to fraction form
    212,888.72/319,240.36 = 61,052.24/x
  3. Step 3: Cross multiply
    212,888.72x = 319,240.36 × 61,052.24
  4. Step 4: Simplify right side
    212,888.72x = 19,490,339,076.41
  5. Step 5: Solve for x
    x = 19,490,339,076.41/212,888.72
  6. Step 6: Final answer
    x = 91,551.77

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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.