Home / 319,297.05-440,649.72-176,056.83

Finding the Fourth Proportional to 319,297.05, 440,649.72 and 176,056.83

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Solution

The fourth proportional to 319,297.05, 440,649.72 and 176,056.83 is: 242,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,297.05 : 440,649.72 = 176,056.83 : x
  2. Step 2: Convert to fraction form
    319,297.05/440,649.72 = 176,056.83/x
  3. Step 3: Cross multiply
    319,297.05x = 440,649.72 × 176,056.83
  4. Step 4: Simplify right side
    319,297.05x = 77,579,392,843.59
  5. Step 5: Solve for x
    x = 77,579,392,843.59/319,297.05
  6. Step 6: Final answer
    x = 242,969.34

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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.