Home / 186,346.98-257,160.42-105,774.66

Finding the Fourth Proportional to 186,346.98, 257,160.42 and 105,774.66

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Solution

The fourth proportional to 186,346.98, 257,160.42 and 105,774.66 is: 145,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,346.98 : 257,160.42 = 105,774.66 : x
  2. Step 2: Convert to fraction form
    186,346.98/257,160.42 = 105,774.66/x
  3. Step 3: Cross multiply
    186,346.98x = 257,160.42 × 105,774.66
  4. Step 4: Simplify right side
    186,346.98x = 27,201,055,990.96
  5. Step 5: Solve for x
    x = 27,201,055,990.96/186,346.98
  6. Step 6: Final answer
    x = 145,969.93

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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.