Home / 119,783.93-165,301.16-66,068.83

Finding the Fourth Proportional to 119,783.93, 165,301.16 and 66,068.83

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Solution

The fourth proportional to 119,783.93, 165,301.16 and 66,068.83 is: 91,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,783.93 : 165,301.16 = 66,068.83 : x
  2. Step 2: Convert to fraction form
    119,783.93/165,301.16 = 66,068.83/x
  3. Step 3: Cross multiply
    119,783.93x = 165,301.16 × 66,068.83
  4. Step 4: Simplify right side
    119,783.93x = 10,921,253,495.25
  5. Step 5: Solve for x
    x = 10,921,253,495.25/119,783.93
  6. Step 6: Final answer
    x = 91,174.61

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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.