Home / 353,012.23-487,161.81-191,867.23

Finding the Fourth Proportional to 353,012.23, 487,161.81 and 191,867.23

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Solution

The fourth proportional to 353,012.23, 487,161.81 and 191,867.23 is: 264,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,012.23 : 487,161.81 = 191,867.23 : x
  2. Step 2: Convert to fraction form
    353,012.23/487,161.81 = 191,867.23/x
  3. Step 3: Cross multiply
    353,012.23x = 487,161.81 × 191,867.23
  4. Step 4: Simplify right side
    353,012.23x = 93,470,383,651.34
  5. Step 5: Solve for x
    x = 93,470,383,651.34/353,012.23
  6. Step 6: Final answer
    x = 264,779.45

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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.