Home / 166,769.77-230,142.43-90,288.92

Finding the Fourth Proportional to 166,769.77, 230,142.43 and 90,288.92

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Solution

The fourth proportional to 166,769.77, 230,142.43 and 90,288.92 is: 124,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.77 : 230,142.43 = 90,288.92 : x
  2. Step 2: Convert to fraction form
    166,769.77/230,142.43 = 90,288.92/x
  3. Step 3: Cross multiply
    166,769.77x = 230,142.43 × 90,288.92
  4. Step 4: Simplify right side
    166,769.77x = 20,779,311,491.82
  5. Step 5: Solve for x
    x = 20,779,311,491.82/166,769.77
  6. Step 6: Final answer
    x = 124,598.79

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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.