Home / 110,606.10-165,779.55-82,871.70

Finding the Fourth Proportional to 110,606.10, 165,779.55 and 82,871.70

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Solution

The fourth proportional to 110,606.10, 165,779.55 and 82,871.70 is: 124,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,606.10 : 165,779.55 = 82,871.70 : x
  2. Step 2: Convert to fraction form
    110,606.10/165,779.55 = 82,871.70/x
  3. Step 3: Cross multiply
    110,606.10x = 165,779.55 × 82,871.70
  4. Step 4: Simplify right side
    110,606.10x = 13,738,433,133.74
  5. Step 5: Solve for x
    x = 13,738,433,133.74/110,606.10
  6. Step 6: Final answer
    x = 124,210.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.