Home / 352,023.15-528,034.73-212,055.15

Finding the Fourth Proportional to 352,023.15, 528,034.73 and 212,055.15

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Solution

The fourth proportional to 352,023.15, 528,034.73 and 212,055.15 is: 318,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,023.15 : 528,034.73 = 212,055.15 : x
  2. Step 2: Convert to fraction form
    352,023.15/528,034.73 = 212,055.15/x
  3. Step 3: Cross multiply
    352,023.15x = 528,034.73 × 212,055.15
  4. Step 4: Simplify right side
    352,023.15x = 111,972,482,815.08
  5. Step 5: Solve for x
    x = 111,972,482,815.08/352,023.15
  6. Step 6: Final answer
    x = 318,082.73

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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.