Home / 448,322.36-672,486.57-163,895.91

Finding the Fourth Proportional to 448,322.36, 672,486.57 and 163,895.91

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Solution

The fourth proportional to 448,322.36, 672,486.57 and 163,895.91 is: 245,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,322.36 : 672,486.57 = 163,895.91 : x
  2. Step 2: Convert to fraction form
    448,322.36/672,486.57 = 163,895.91/x
  3. Step 3: Cross multiply
    448,322.36x = 672,486.57 × 163,895.91
  4. Step 4: Simplify right side
    448,322.36x = 110,217,796,138.41
  5. Step 5: Solve for x
    x = 110,217,796,138.41/448,322.36
  6. Step 6: Final answer
    x = 245,844.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.