Home / 186,823.04-257,815.80-119,755.04

Finding the Fourth Proportional to 186,823.04, 257,815.80 and 119,755.04

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Solution

The fourth proportional to 186,823.04, 257,815.80 and 119,755.04 is: 165,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,823.04 : 257,815.80 = 119,755.04 : x
  2. Step 2: Convert to fraction form
    186,823.04/257,815.80 = 119,755.04/x
  3. Step 3: Cross multiply
    186,823.04x = 257,815.80 × 119,755.04
  4. Step 4: Simplify right side
    186,823.04x = 30,874,741,441.63
  5. Step 5: Solve for x
    x = 30,874,741,441.63/186,823.04
  6. Step 6: Final answer
    x = 165,261.96

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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.