Home / 353,022.78-529,236.61-153,192.67

Finding the Fourth Proportional to 353,022.78, 529,236.61 and 153,192.67

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Solution

The fourth proportional to 353,022.78, 529,236.61 and 153,192.67 is: 229,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,022.78 : 529,236.61 = 153,192.67 : x
  2. Step 2: Convert to fraction form
    353,022.78/529,236.61 = 153,192.67/x
  3. Step 3: Cross multiply
    353,022.78x = 529,236.61 × 153,192.67
  4. Step 4: Simplify right side
    353,022.78x = 81,075,168,072.43
  5. Step 5: Solve for x
    x = 81,075,168,072.43/353,022.78
  6. Step 6: Final answer
    x = 229,659.88

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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.