Home / 345,816.30-477,216.98-192,859.14

Finding the Fourth Proportional to 345,816.30, 477,216.98 and 192,859.14

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Solution

The fourth proportional to 345,816.30, 477,216.98 and 192,859.14 is: 266,140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,816.30 : 477,216.98 = 192,859.14 : x
  2. Step 2: Convert to fraction form
    345,816.30/477,216.98 = 192,859.14/x
  3. Step 3: Cross multiply
    345,816.30x = 477,216.98 × 192,859.14
  4. Step 4: Simplify right side
    345,816.30x = 92,035,656,356.20
  5. Step 5: Solve for x
    x = 92,035,656,356.20/345,816.30
  6. Step 6: Final answer
    x = 266,140.31

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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.