Home / 166,769.16-230,141.82-90,289.06

Finding the Fourth Proportional to 166,769.16, 230,141.82 and 90,289.06

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Solution

The fourth proportional to 166,769.16, 230,141.82 and 90,289.06 is: 124,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.16 : 230,141.82 = 90,289.06 : x
  2. Step 2: Convert to fraction form
    166,769.16/230,141.82 = 90,289.06/x
  3. Step 3: Cross multiply
    166,769.16x = 230,141.82 × 90,289.06
  4. Step 4: Simplify right side
    166,769.16x = 20,779,288,594.49
  5. Step 5: Solve for x
    x = 20,779,288,594.49/166,769.16
  6. Step 6: Final answer
    x = 124,599.11

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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.