Home / 353,005.09-487,147.06-191,860.14

Finding the Fourth Proportional to 353,005.09, 487,147.06 and 191,860.14

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Solution

The fourth proportional to 353,005.09, 487,147.06 and 191,860.14 is: 264,767.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,005.09 : 487,147.06 = 191,860.14 : x
  2. Step 2: Convert to fraction form
    353,005.09/487,147.06 = 191,860.14/x
  3. Step 3: Cross multiply
    353,005.09x = 487,147.06 × 191,860.14
  4. Step 4: Simplify right side
    353,005.09x = 93,464,105,198.82
  5. Step 5: Solve for x
    x = 93,464,105,198.82/353,005.09
  6. Step 6: Final answer
    x = 264,767.02

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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.