Home / 448,323.36-672,488.07-163,896.91

Finding the Fourth Proportional to 448,323.36, 672,488.07 and 163,896.91

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Solution

The fourth proportional to 448,323.36, 672,488.07 and 163,896.91 is: 245,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,323.36 : 672,488.07 = 163,896.91 : x
  2. Step 2: Convert to fraction form
    448,323.36/672,488.07 = 163,896.91/x
  3. Step 3: Cross multiply
    448,323.36x = 672,488.07 × 163,896.91
  4. Step 4: Simplify right side
    448,323.36x = 110,218,716,684.86
  5. Step 5: Solve for x
    x = 110,218,716,684.86/448,323.36
  6. Step 6: Final answer
    x = 245,846.47

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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.