Home / 314,987.04-434,731.96-187,736.44

Finding the Fourth Proportional to 314,987.04, 434,731.96 and 187,736.44

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Solution

The fourth proportional to 314,987.04, 434,731.96 and 187,736.44 is: 259,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,987.04 : 434,731.96 = 187,736.44 : x
  2. Step 2: Convert to fraction form
    314,987.04/434,731.96 = 187,736.44/x
  3. Step 3: Cross multiply
    314,987.04x = 434,731.96 × 187,736.44
  4. Step 4: Simplify right side
    314,987.04x = 81,615,030,524.62
  5. Step 5: Solve for x
    x = 81,615,030,524.62/314,987.04
  6. Step 6: Final answer
    x = 259,106.00

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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.