Home / 119,948.75-165,543.87-69,647.75

Finding the Fourth Proportional to 119,948.75, 165,543.87 and 69,647.75

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Solution

The fourth proportional to 119,948.75, 165,543.87 and 69,647.75 is: 96,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,948.75 : 165,543.87 = 69,647.75 : x
  2. Step 2: Convert to fraction form
    119,948.75/165,543.87 = 69,647.75/x
  3. Step 3: Cross multiply
    119,948.75x = 165,543.87 × 69,647.75
  4. Step 4: Simplify right side
    119,948.75x = 11,529,758,071.79
  5. Step 5: Solve for x
    x = 11,529,758,071.79/119,948.75
  6. Step 6: Final answer
    x = 96,122.37

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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.