Home / 154,933.80-232,400.70-55,206.60

Finding the Fourth Proportional to 154,933.80, 232,400.70 and 55,206.60

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Solution

The fourth proportional to 154,933.80, 232,400.70 and 55,206.60 is: 82,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,933.80 : 232,400.70 = 55,206.60 : x
  2. Step 2: Convert to fraction form
    154,933.80/232,400.70 = 55,206.60/x
  3. Step 3: Cross multiply
    154,933.80x = 232,400.70 × 55,206.60
  4. Step 4: Simplify right side
    154,933.80x = 12,830,052,484.62
  5. Step 5: Solve for x
    x = 12,830,052,484.62/154,933.80
  6. Step 6: Final answer
    x = 82,809.90

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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.