Home / 105,880.18-146,114.89-58,136.60

Finding the Fourth Proportional to 105,880.18, 146,114.89 and 58,136.60

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Solution

The fourth proportional to 105,880.18, 146,114.89 and 58,136.60 is: 80,228.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,880.18 : 146,114.89 = 58,136.60 : x
  2. Step 2: Convert to fraction form
    105,880.18/146,114.89 = 58,136.60/x
  3. Step 3: Cross multiply
    105,880.18x = 146,114.89 × 58,136.60
  4. Step 4: Simplify right side
    105,880.18x = 8,494,622,913.97
  5. Step 5: Solve for x
    x = 8,494,622,913.97/105,880.18
  6. Step 6: Final answer
    x = 80,228.64

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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.