Home / 446,910.77-670,155.42-162,401.20

Finding the Fourth Proportional to 446,910.77, 670,155.42 and 162,401.20

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Solution

The fourth proportional to 446,910.77, 670,155.42 and 162,401.20 is: 243,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,910.77 : 670,155.42 = 162,401.20 : x
  2. Step 2: Convert to fraction form
    446,910.77/670,155.42 = 162,401.20/x
  3. Step 3: Cross multiply
    446,910.77x = 670,155.42 × 162,401.20
  4. Step 4: Simplify right side
    446,910.77x = 108,834,047,097.74
  5. Step 5: Solve for x
    x = 108,834,047,097.74/446,910.77
  6. Step 6: Final answer
    x = 243,525.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.