Home / 313,811.16-433,062.30-170,571.54

Finding the Fourth Proportional to 313,811.16, 433,062.30 and 170,571.54

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Solution

The fourth proportional to 313,811.16, 433,062.30 and 170,571.54 is: 235,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,811.16 : 433,062.30 = 170,571.54 : x
  2. Step 2: Convert to fraction form
    313,811.16/433,062.30 = 170,571.54/x
  3. Step 3: Cross multiply
    313,811.16x = 433,062.30 × 170,571.54
  4. Step 4: Simplify right side
    313,811.16x = 73,868,103,426.94
  5. Step 5: Solve for x
    x = 73,868,103,426.94/313,811.16
  6. Step 6: Final answer
    x = 235,390.30

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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.