Home / 319,097.17-440,342.93-173,900.00

Finding the Fourth Proportional to 319,097.17, 440,342.93 and 173,900.00

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Solution

The fourth proportional to 319,097.17, 440,342.93 and 173,900.00 is: 239,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,097.17 : 440,342.93 = 173,900.00 : x
  2. Step 2: Convert to fraction form
    319,097.17/440,342.93 = 173,900.00/x
  3. Step 3: Cross multiply
    319,097.17x = 440,342.93 × 173,900.00
  4. Step 4: Simplify right side
    319,097.17x = 76,575,634,759.20
  5. Step 5: Solve for x
    x = 76,575,634,759.20/319,097.17
  6. Step 6: Final answer
    x = 239,975.91

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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.