Home / 104,943.18-144,817.34-57,195.48

Finding the Fourth Proportional to 104,943.18, 144,817.34 and 57,195.48

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Solution

The fourth proportional to 104,943.18, 144,817.34 and 57,195.48 is: 78,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.18 : 144,817.34 = 57,195.48 : x
  2. Step 2: Convert to fraction form
    104,943.18/144,817.34 = 57,195.48/x
  3. Step 3: Cross multiply
    104,943.18x = 144,817.34 × 57,195.48
  4. Step 4: Simplify right side
    104,943.18x = 8,282,897,273.62
  5. Step 5: Solve for x
    x = 8,282,897,273.62/104,943.18
  6. Step 6: Final answer
    x = 78,927.45

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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.