Home / 245,020.42-367,038.54-111,717.30

Finding the Fourth Proportional to 245,020.42, 367,038.54 and 111,717.30

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Solution

The fourth proportional to 245,020.42, 367,038.54 and 111,717.30 is: 167,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,020.42 : 367,038.54 = 111,717.30 : x
  2. Step 2: Convert to fraction form
    245,020.42/367,038.54 = 111,717.30/x
  3. Step 3: Cross multiply
    245,020.42x = 367,038.54 × 111,717.30
  4. Step 4: Simplify right side
    245,020.42x = 41,004,554,684.74
  5. Step 5: Solve for x
    x = 41,004,554,684.74/245,020.42
  6. Step 6: Final answer
    x = 167,351.58

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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.