Home / 105,193.70-145,175.07-59,886.34

Finding the Fourth Proportional to 105,193.70, 145,175.07 and 59,886.34

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Solution

The fourth proportional to 105,193.70, 145,175.07 and 59,886.34 is: 82,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,193.70 : 145,175.07 = 59,886.34 : x
  2. Step 2: Convert to fraction form
    105,193.70/145,175.07 = 59,886.34/x
  3. Step 3: Cross multiply
    105,193.70x = 145,175.07 × 59,886.34
  4. Step 4: Simplify right side
    105,193.70x = 8,694,003,601.54
  5. Step 5: Solve for x
    x = 8,694,003,601.54/105,193.70
  6. Step 6: Final answer
    x = 82,647.57

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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.