Home / 154,571.04-231,514.02-118,768.80

Finding the Fourth Proportional to 154,571.04, 231,514.02 and 118,768.80

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Solution

The fourth proportional to 154,571.04, 231,514.02 and 118,768.80 is: 177,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,571.04 : 231,514.02 = 118,768.80 : x
  2. Step 2: Convert to fraction form
    154,571.04/231,514.02 = 118,768.80/x
  3. Step 3: Cross multiply
    154,571.04x = 231,514.02 × 118,768.80
  4. Step 4: Simplify right side
    154,571.04x = 27,496,642,338.58
  5. Step 5: Solve for x
    x = 27,496,642,338.58/154,571.04
  6. Step 6: Final answer
    x = 177,890.00

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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.