Home / 343,940.49-474,631.20-190,970.73

Finding the Fourth Proportional to 343,940.49, 474,631.20 and 190,970.73

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Solution

The fourth proportional to 343,940.49, 474,631.20 and 190,970.73 is: 263,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,940.49 : 474,631.20 = 190,970.73 : x
  2. Step 2: Convert to fraction form
    343,940.49/474,631.20 = 190,970.73/x
  3. Step 3: Cross multiply
    343,940.49x = 474,631.20 × 190,970.73
  4. Step 4: Simplify right side
    343,940.49x = 90,640,666,744.78
  5. Step 5: Solve for x
    x = 90,640,666,744.78/343,940.49
  6. Step 6: Final answer
    x = 263,535.90

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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.