Home / 245,237.20-367,661.40-134,429.20

Finding the Fourth Proportional to 245,237.20, 367,661.40 and 134,429.20

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Solution

The fourth proportional to 245,237.20, 367,661.40 and 134,429.20 is: 201,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,237.20 : 367,661.40 = 134,429.20 : x
  2. Step 2: Convert to fraction form
    245,237.20/367,661.40 = 134,429.20/x
  3. Step 3: Cross multiply
    245,237.20x = 367,661.40 × 134,429.20
  4. Step 4: Simplify right side
    245,237.20x = 49,424,427,872.88
  5. Step 5: Solve for x
    x = 49,424,427,872.88/245,237.20
  6. Step 6: Final answer
    x = 201,537.24

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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.