Home / 263,390.50-363,363.06-154,439.23

Finding the Fourth Proportional to 263,390.50, 363,363.06 and 154,439.23

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Solution

The fourth proportional to 263,390.50, 363,363.06 and 154,439.23 is: 213,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,390.50 : 363,363.06 = 154,439.23 : x
  2. Step 2: Convert to fraction form
    263,390.50/363,363.06 = 154,439.23/x
  3. Step 3: Cross multiply
    263,390.50x = 363,363.06 × 154,439.23
  4. Step 4: Simplify right side
    263,390.50x = 56,117,509,380.03
  5. Step 5: Solve for x
    x = 56,117,509,380.03/263,390.50
  6. Step 6: Final answer
    x = 213,058.21

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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.