Home / 313,885.13-433,166.41-170,645.72

Finding the Fourth Proportional to 313,885.13, 433,166.41 and 170,645.72

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Solution

The fourth proportional to 313,885.13, 433,166.41 and 170,645.72 is: 235,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,885.13 : 433,166.41 = 170,645.72 : x
  2. Step 2: Convert to fraction form
    313,885.13/433,166.41 = 170,645.72/x
  3. Step 3: Cross multiply
    313,885.13x = 433,166.41 × 170,645.72
  4. Step 4: Simplify right side
    313,885.13x = 73,917,993,914.27
  5. Step 5: Solve for x
    x = 73,917,993,914.27/313,885.13
  6. Step 6: Final answer
    x = 235,493.77

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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.