Home / 355,704.03-533,556.03-145,341.75

Finding the Fourth Proportional to 355,704.03, 533,556.03 and 145,341.75

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Solution

The fourth proportional to 355,704.03, 533,556.03 and 145,341.75 is: 218,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,704.03 : 533,556.03 = 145,341.75 : x
  2. Step 2: Convert to fraction form
    355,704.03/533,556.03 = 145,341.75/x
  3. Step 3: Cross multiply
    355,704.03x = 533,556.03 × 145,341.75
  4. Step 4: Simplify right side
    355,704.03x = 77,547,967,123.25
  5. Step 5: Solve for x
    x = 77,547,967,123.25/355,704.03
  6. Step 6: Final answer
    x = 218,012.62

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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.