Home / 104,937.41-144,813.74-57,190.80

Finding the Fourth Proportional to 104,937.41, 144,813.74 and 57,190.80

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Solution

The fourth proportional to 104,937.41, 144,813.74 and 57,190.80 is: 78,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,937.41 : 144,813.74 = 57,190.80 : x
  2. Step 2: Convert to fraction form
    104,937.41/144,813.74 = 57,190.80/x
  3. Step 3: Cross multiply
    104,937.41x = 144,813.74 × 57,190.80
  4. Step 4: Simplify right side
    104,937.41x = 8,282,013,641.59
  5. Step 5: Solve for x
    x = 8,282,013,641.59/104,937.41
  6. Step 6: Final answer
    x = 78,923.37

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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.