Home / 186,427.31-257,276.09-105,852.16

Finding the Fourth Proportional to 186,427.31, 257,276.09 and 105,852.16

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Solution

The fourth proportional to 186,427.31, 257,276.09 and 105,852.16 is: 146,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,427.31 : 257,276.09 = 105,852.16 : x
  2. Step 2: Convert to fraction form
    186,427.31/257,276.09 = 105,852.16/x
  3. Step 3: Cross multiply
    186,427.31x = 257,276.09 × 105,852.16
  4. Step 4: Simplify right side
    186,427.31x = 27,233,228,027.21
  5. Step 5: Solve for x
    x = 27,233,228,027.21/186,427.31
  6. Step 6: Final answer
    x = 146,079.61

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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.