Home / 456,553.12-684,923.08-156,994.80

Finding the Fourth Proportional to 456,553.12, 684,923.08 and 156,994.80

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Solution

The fourth proportional to 456,553.12, 684,923.08 and 156,994.80 is: 235,524.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,553.12 : 684,923.08 = 156,994.80 : x
  2. Step 2: Convert to fraction form
    456,553.12/684,923.08 = 156,994.80/x
  3. Step 3: Cross multiply
    456,553.12x = 684,923.08 × 156,994.80
  4. Step 4: Simplify right side
    456,553.12x = 107,529,361,959.98
  5. Step 5: Solve for x
    x = 107,529,361,959.98/456,553.12
  6. Step 6: Final answer
    x = 235,524.32

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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.