Home / 448,774.07-673,155.77-128,933.82

Finding the Fourth Proportional to 448,774.07, 673,155.77 and 128,933.82

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Solution

The fourth proportional to 448,774.07, 673,155.77 and 128,933.82 is: 193,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,774.07 : 673,155.77 = 128,933.82 : x
  2. Step 2: Convert to fraction form
    448,774.07/673,155.77 = 128,933.82/x
  3. Step 3: Cross multiply
    448,774.07x = 673,155.77 × 128,933.82
  4. Step 4: Simplify right side
    448,774.07x = 86,792,544,236.47
  5. Step 5: Solve for x
    x = 86,792,544,236.47/448,774.07
  6. Step 6: Final answer
    x = 193,399.20

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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.