Home / 186,636.90-257,562.81-104,966.73

Finding the Fourth Proportional to 186,636.90, 257,562.81 and 104,966.73

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Solution

The fourth proportional to 186,636.90, 257,562.81 and 104,966.73 is: 144,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,636.90 : 257,562.81 = 104,966.73 : x
  2. Step 2: Convert to fraction form
    186,636.90/257,562.81 = 104,966.73/x
  3. Step 3: Cross multiply
    186,636.90x = 257,562.81 × 104,966.73
  4. Step 4: Simplify right side
    186,636.90x = 27,035,525,935.31
  5. Step 5: Solve for x
    x = 27,035,525,935.31/186,636.90
  6. Step 6: Final answer
    x = 144,856.27

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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.