Home / 119,973.14-165,564.18-66,259.52

Finding the Fourth Proportional to 119,973.14, 165,564.18 and 66,259.52

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Solution

The fourth proportional to 119,973.14, 165,564.18 and 66,259.52 is: 91,438.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,973.14 : 165,564.18 = 66,259.52 : x
  2. Step 2: Convert to fraction form
    119,973.14/165,564.18 = 66,259.52/x
  3. Step 3: Cross multiply
    119,973.14x = 165,564.18 × 66,259.52
  4. Step 4: Simplify right side
    119,973.14x = 10,970,203,095.99
  5. Step 5: Solve for x
    x = 10,970,203,095.99/119,973.14
  6. Step 6: Final answer
    x = 91,438.83

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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.