Home / 446,060.40-668,869.20-161,739.60

Finding the Fourth Proportional to 446,060.40, 668,869.20 and 161,739.60

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Solution

The fourth proportional to 446,060.40, 668,869.20 and 161,739.60 is: 242,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,060.40 : 668,869.20 = 161,739.60 : x
  2. Step 2: Convert to fraction form
    446,060.40/668,869.20 = 161,739.60/x
  3. Step 3: Cross multiply
    446,060.40x = 668,869.20 × 161,739.60
  4. Step 4: Simplify right side
    446,060.40x = 108,182,636,860.32
  5. Step 5: Solve for x
    x = 108,182,636,860.32/446,060.40
  6. Step 6: Final answer
    x = 242,529.12

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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.