Home / 104,943.69-144,821.39-57,197.03

Finding the Fourth Proportional to 104,943.69, 144,821.39 and 57,197.03

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Solution

The fourth proportional to 104,943.69, 144,821.39 and 57,197.03 is: 78,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.69 : 144,821.39 = 57,197.03 : x
  2. Step 2: Convert to fraction form
    104,943.69/144,821.39 = 57,197.03/x
  3. Step 3: Cross multiply
    104,943.69x = 144,821.39 × 57,197.03
  4. Step 4: Simplify right side
    104,943.69x = 8,283,352,378.38
  5. Step 5: Solve for x
    x = 8,283,352,378.38/104,943.69
  6. Step 6: Final answer
    x = 78,931.40

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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.