Home / 353,119.09-487,307.43-191,974.25

Finding the Fourth Proportional to 353,119.09, 487,307.43 and 191,974.25

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Solution

The fourth proportional to 353,119.09, 487,307.43 and 191,974.25 is: 264,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,119.09 : 487,307.43 = 191,974.25 : x
  2. Step 2: Convert to fraction form
    353,119.09/487,307.43 = 191,974.25/x
  3. Step 3: Cross multiply
    353,119.09x = 487,307.43 × 191,974.25
  4. Step 4: Simplify right side
    353,119.09x = 93,550,474,997.27
  5. Step 5: Solve for x
    x = 93,550,474,997.27/353,119.09
  6. Step 6: Final answer
    x = 264,926.13

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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.