Home / 186,427.73-257,276.70-105,852.57

Finding the Fourth Proportional to 186,427.73, 257,276.70 and 105,852.57

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Solution

The fourth proportional to 186,427.73, 257,276.70 and 105,852.57 is: 146,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,427.73 : 257,276.70 = 105,852.57 : x
  2. Step 2: Convert to fraction form
    186,427.73/257,276.70 = 105,852.57/x
  3. Step 3: Cross multiply
    186,427.73x = 257,276.70 × 105,852.57
  4. Step 4: Simplify right side
    186,427.73x = 27,233,399,896.12
  5. Step 5: Solve for x
    x = 27,233,399,896.12/186,427.73
  6. Step 6: Final answer
    x = 146,080.20

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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.