Home / 319,257.32-440,578.07-176,022.45

Finding the Fourth Proportional to 319,257.32, 440,578.07 and 176,022.45

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Solution

The fourth proportional to 319,257.32, 440,578.07 and 176,022.45 is: 242,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,257.32 : 440,578.07 = 176,022.45 : x
  2. Step 2: Convert to fraction form
    319,257.32/440,578.07 = 176,022.45/x
  3. Step 3: Cross multiply
    319,257.32x = 440,578.07 × 176,022.45
  4. Step 4: Simplify right side
    319,257.32x = 77,551,631,077.64
  5. Step 5: Solve for x
    x = 77,551,631,077.64/319,257.32
  6. Step 6: Final answer
    x = 242,912.62

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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.