Home / 313,947.19-433,237.71-177,993.55

Finding the Fourth Proportional to 313,947.19, 433,237.71 and 177,993.55

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Solution

The fourth proportional to 313,947.19, 433,237.71 and 177,993.55 is: 245,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,947.19 : 433,237.71 = 177,993.55 : x
  2. Step 2: Convert to fraction form
    313,947.19/433,237.71 = 177,993.55/x
  3. Step 3: Cross multiply
    313,947.19x = 433,237.71 × 177,993.55
  4. Step 4: Simplify right side
    313,947.19x = 77,113,519,205.79
  5. Step 5: Solve for x
    x = 77,113,519,205.79/313,947.19
  6. Step 6: Final answer
    x = 245,625.77

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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.