Home / 166,769.53-230,142.02-90,288.62

Finding the Fourth Proportional to 166,769.53, 230,142.02 and 90,288.62

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Solution

The fourth proportional to 166,769.53, 230,142.02 and 90,288.62 is: 124,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.53 : 230,142.02 = 90,288.62 : x
  2. Step 2: Convert to fraction form
    166,769.53/230,142.02 = 90,288.62/x
  3. Step 3: Cross multiply
    166,769.53x = 230,142.02 × 90,288.62
  4. Step 4: Simplify right side
    166,769.53x = 20,779,206,190.89
  5. Step 5: Solve for x
    x = 20,779,206,190.89/166,769.53
  6. Step 6: Final answer
    x = 124,598.34

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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.