Home / 165,779.12-248,670.40-132,709.38

Finding the Fourth Proportional to 165,779.12, 248,670.40 and 132,709.38

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Solution

The fourth proportional to 165,779.12, 248,670.40 and 132,709.38 is: 199,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,779.12 : 248,670.40 = 132,709.38 : x
  2. Step 2: Convert to fraction form
    165,779.12/248,670.40 = 132,709.38/x
  3. Step 3: Cross multiply
    165,779.12x = 248,670.40 × 132,709.38
  4. Step 4: Simplify right side
    165,779.12x = 33,000,894,608.35
  5. Step 5: Solve for x
    x = 33,000,894,608.35/165,779.12
  6. Step 6: Final answer
    x = 199,065.45

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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.