Home / 352,429.16-486,352.76-191,284.26

Finding the Fourth Proportional to 352,429.16, 486,352.76 and 191,284.26

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Solution

The fourth proportional to 352,429.16, 486,352.76 and 191,284.26 is: 263,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,429.16 : 486,352.76 = 191,284.26 : x
  2. Step 2: Convert to fraction form
    352,429.16/486,352.76 = 191,284.26/x
  3. Step 3: Cross multiply
    352,429.16x = 486,352.76 × 191,284.26
  4. Step 4: Simplify right side
    352,429.16x = 93,031,627,795.56
  5. Step 5: Solve for x
    x = 93,031,627,795.56/352,429.16
  6. Step 6: Final answer
    x = 263,972.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.