Home / 352,296.12-528,491.22-102,974.52

Finding the Fourth Proportional to 352,296.12, 528,491.22 and 102,974.52

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Solution

The fourth proportional to 352,296.12, 528,491.22 and 102,974.52 is: 154,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,296.12 : 528,491.22 = 102,974.52 : x
  2. Step 2: Convert to fraction form
    352,296.12/528,491.22 = 102,974.52/x
  3. Step 3: Cross multiply
    352,296.12x = 528,491.22 × 102,974.52
  4. Step 4: Simplify right side
    352,296.12x = 54,421,129,703.71
  5. Step 5: Solve for x
    x = 54,421,129,703.71/352,296.12
  6. Step 6: Final answer
    x = 154,475.53

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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.