Home / 352,361.40-486,259.04-191,216.45

Finding the Fourth Proportional to 352,361.40, 486,259.04 and 191,216.45

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Solution

The fourth proportional to 352,361.40, 486,259.04 and 191,216.45 is: 263,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,361.40 : 486,259.04 = 191,216.45 : x
  2. Step 2: Convert to fraction form
    352,361.40/486,259.04 = 191,216.45/x
  3. Step 3: Cross multiply
    352,361.40x = 486,259.04 × 191,216.45
  4. Step 4: Simplify right side
    352,361.40x = 92,980,724,977.91
  5. Step 5: Solve for x
    x = 92,980,724,977.91/352,361.40
  6. Step 6: Final answer
    x = 263,878.86

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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.