Home / 301,829.58-452,743.38-77,190.12

Finding the Fourth Proportional to 301,829.58, 452,743.38 and 77,190.12

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Solution

The fourth proportional to 301,829.58, 452,743.38 and 77,190.12 is: 115,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,829.58 : 452,743.38 = 77,190.12 : x
  2. Step 2: Convert to fraction form
    301,829.58/452,743.38 = 77,190.12/x
  3. Step 3: Cross multiply
    301,829.58x = 452,743.38 × 77,190.12
  4. Step 4: Simplify right side
    301,829.58x = 34,947,315,831.41
  5. Step 5: Solve for x
    x = 34,947,315,831.41/301,829.58
  6. Step 6: Final answer
    x = 115,784.93

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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.