Home / 313,983.18-433,305-170,751.60

Finding the Fourth Proportional to 313,983.18, 433,305 and 170,751.60

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Solution

The fourth proportional to 313,983.18, 433,305 and 170,751.60 is: 235,641.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,983.18 : 433,305 = 170,751.60 : x
  2. Step 2: Convert to fraction form
    313,983.18/433,305 = 170,751.60/x
  3. Step 3: Cross multiply
    313,983.18x = 433,305 × 170,751.60
  4. Step 4: Simplify right side
    313,983.18x = 73,987,522,038
  5. Step 5: Solve for x
    x = 73,987,522,038/313,983.18
  6. Step 6: Final answer
    x = 235,641.67

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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.