Home / 319,108.48-440,369.70-175,868.52

Finding the Fourth Proportional to 319,108.48, 440,369.70 and 175,868.52

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Solution

The fourth proportional to 319,108.48, 440,369.70 and 175,868.52 is: 242,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,108.48 : 440,369.70 = 175,868.52 : x
  2. Step 2: Convert to fraction form
    319,108.48/440,369.70 = 175,868.52/x
  3. Step 3: Cross multiply
    319,108.48x = 440,369.70 × 175,868.52
  4. Step 4: Simplify right side
    319,108.48x = 77,447,167,391.84
  5. Step 5: Solve for x
    x = 77,447,167,391.84/319,108.48
  6. Step 6: Final answer
    x = 242,698.56

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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.