Home / 319,289.52-440,639.37-176,049.33

Finding the Fourth Proportional to 319,289.52, 440,639.37 and 176,049.33

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Solution

The fourth proportional to 319,289.52, 440,639.37 and 176,049.33 is: 242,959.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,289.52 : 440,639.37 = 176,049.33 : x
  2. Step 2: Convert to fraction form
    319,289.52/440,639.37 = 176,049.33/x
  3. Step 3: Cross multiply
    319,289.52x = 440,639.37 × 176,049.33
  4. Step 4: Simplify right side
    319,289.52x = 77,574,265,860.12
  5. Step 5: Solve for x
    x = 77,574,265,860.12/319,289.52
  6. Step 6: Final answer
    x = 242,959.01

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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.