Home / 353,164.20-487,376.43-192,030.30

Finding the Fourth Proportional to 353,164.20, 487,376.43 and 192,030.30

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Solution

The fourth proportional to 353,164.20, 487,376.43 and 192,030.30 is: 265,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,164.20 : 487,376.43 = 192,030.30 : x
  2. Step 2: Convert to fraction form
    353,164.20/487,376.43 = 192,030.30/x
  3. Step 3: Cross multiply
    353,164.20x = 487,376.43 × 192,030.30
  4. Step 4: Simplify right side
    353,164.20x = 93,591,042,065.83
  5. Step 5: Solve for x
    x = 93,591,042,065.83/353,164.20
  6. Step 6: Final answer
    x = 265,007.16

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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.