Home / 166,767.38-230,161.30-98,779.04

Finding the Fourth Proportional to 166,767.38, 230,161.30 and 98,779.04

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Solution

The fourth proportional to 166,767.38, 230,161.30 and 98,779.04 is: 136,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,767.38 : 230,161.30 = 98,779.04 : x
  2. Step 2: Convert to fraction form
    166,767.38/230,161.30 = 98,779.04/x
  3. Step 3: Cross multiply
    166,767.38x = 230,161.30 × 98,779.04
  4. Step 4: Simplify right side
    166,767.38x = 22,735,112,259.15
  5. Step 5: Solve for x
    x = 22,735,112,259.15/166,767.38
  6. Step 6: Final answer
    x = 136,328.29

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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.