Home / 116,946.90-161,386.70-63,231.92

Finding the Fourth Proportional to 116,946.90, 161,386.70 and 63,231.92

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Solution

The fourth proportional to 116,946.90, 161,386.70 and 63,231.92 is: 87,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,946.90 : 161,386.70 = 63,231.92 : x
  2. Step 2: Convert to fraction form
    116,946.90/161,386.70 = 63,231.92/x
  3. Step 3: Cross multiply
    116,946.90x = 161,386.70 × 63,231.92
  4. Step 4: Simplify right side
    116,946.90x = 10,204,790,903.46
  5. Step 5: Solve for x
    x = 10,204,790,903.46/116,946.90
  6. Step 6: Final answer
    x = 87,260.04

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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.