Home / 345,907.32-477,309.60-192,909.64

Finding the Fourth Proportional to 345,907.32, 477,309.60 and 192,909.64

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Solution

The fourth proportional to 345,907.32, 477,309.60 and 192,909.64 is: 266,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,907.32 : 477,309.60 = 192,909.64 : x
  2. Step 2: Convert to fraction form
    345,907.32/477,309.60 = 192,909.64/x
  3. Step 3: Cross multiply
    345,907.32x = 477,309.60 × 192,909.64
  4. Step 4: Simplify right side
    345,907.32x = 92,077,623,104.54
  5. Step 5: Solve for x
    x = 92,077,623,104.54/345,907.32
  6. Step 6: Final answer
    x = 266,191.60

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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.