Home / 353,012.39-487,160.07-191,867.40

Finding the Fourth Proportional to 353,012.39, 487,160.07 and 191,867.40

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Solution

The fourth proportional to 353,012.39, 487,160.07 and 191,867.40 is: 264,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,012.39 : 487,160.07 = 191,867.40 : x
  2. Step 2: Convert to fraction form
    353,012.39/487,160.07 = 191,867.40/x
  3. Step 3: Cross multiply
    353,012.39x = 487,160.07 × 191,867.40
  4. Step 4: Simplify right side
    353,012.39x = 93,470,136,014.72
  5. Step 5: Solve for x
    x = 93,470,136,014.72/353,012.39
  6. Step 6: Final answer
    x = 264,778.63

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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.