Home / 319,005.45-440,232.71-175,763.43

Finding the Fourth Proportional to 319,005.45, 440,232.71 and 175,763.43

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Solution

The fourth proportional to 319,005.45, 440,232.71 and 175,763.43 is: 242,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,005.45 : 440,232.71 = 175,763.43 : x
  2. Step 2: Convert to fraction form
    319,005.45/440,232.71 = 175,763.43/x
  3. Step 3: Cross multiply
    319,005.45x = 440,232.71 × 175,763.43
  4. Step 4: Simplify right side
    319,005.45x = 77,376,810,228.98
  5. Step 5: Solve for x
    x = 77,376,810,228.98/319,005.45
  6. Step 6: Final answer
    x = 242,556.39

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1.5x scale

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.