Home / 105,880.96-146,184.11-65,637.73

Finding the Fourth Proportional to 105,880.96, 146,184.11 and 65,637.73

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Solution

The fourth proportional to 105,880.96, 146,184.11 and 65,637.73 is: 90,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,880.96 : 146,184.11 = 65,637.73 : x
  2. Step 2: Convert to fraction form
    105,880.96/146,184.11 = 65,637.73/x
  3. Step 3: Cross multiply
    105,880.96x = 146,184.11 × 65,637.73
  4. Step 4: Simplify right side
    105,880.96x = 9,595,193,142.47
  5. Step 5: Solve for x
    x = 9,595,193,142.47/105,880.96
  6. Step 6: Final answer
    x = 90,622.46

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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.