Home / 163,237.66-225,289.94-91,621.60

Finding the Fourth Proportional to 163,237.66, 225,289.94 and 91,621.60

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Solution

The fourth proportional to 163,237.66, 225,289.94 and 91,621.60 is: 126,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,237.66 : 225,289.94 = 91,621.60 : x
  2. Step 2: Convert to fraction form
    163,237.66/225,289.94 = 91,621.60/x
  3. Step 3: Cross multiply
    163,237.66x = 225,289.94 × 91,621.60
  4. Step 4: Simplify right side
    163,237.66x = 20,641,424,766.70
  5. Step 5: Solve for x
    x = 20,641,424,766.70/163,237.66
  6. Step 6: Final answer
    x = 126,450.14

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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.