Home / 116,988.88-161,444.18-63,273.96

Finding the Fourth Proportional to 116,988.88, 161,444.18 and 63,273.96

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Solution

The fourth proportional to 116,988.88, 161,444.18 and 63,273.96 is: 87,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,988.88 : 161,444.18 = 63,273.96 : x
  2. Step 2: Convert to fraction form
    116,988.88/161,444.18 = 63,273.96/x
  3. Step 3: Cross multiply
    116,988.88x = 161,444.18 × 63,273.96
  4. Step 4: Simplify right side
    116,988.88x = 10,215,212,587.55
  5. Step 5: Solve for x
    x = 10,215,212,587.55/116,988.88
  6. Step 6: Final answer
    x = 87,317.81

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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.