Home / 345,801.24-477,219.06-194,895

Finding the Fourth Proportional to 345,801.24, 477,219.06 and 194,895

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Solution

The fourth proportional to 345,801.24, 477,219.06 and 194,895 is: 268,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,801.24 : 477,219.06 = 194,895 : x
  2. Step 2: Convert to fraction form
    345,801.24/477,219.06 = 194,895/x
  3. Step 3: Cross multiply
    345,801.24x = 477,219.06 × 194,895
  4. Step 4: Simplify right side
    345,801.24x = 93,007,608,698.70
  5. Step 5: Solve for x
    x = 93,007,608,698.70/345,801.24
  6. Step 6: Final answer
    x = 268,962.62

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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.