Home / 119,827.96-165,361.40-66,113.40

Finding the Fourth Proportional to 119,827.96, 165,361.40 and 66,113.40

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Solution

The fourth proportional to 119,827.96, 165,361.40 and 66,113.40 is: 91,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,827.96 : 165,361.40 = 66,113.40 : x
  2. Step 2: Convert to fraction form
    119,827.96/165,361.40 = 66,113.40/x
  3. Step 3: Cross multiply
    119,827.96x = 165,361.40 × 66,113.40
  4. Step 4: Simplify right side
    119,827.96x = 10,932,604,382.76
  5. Step 5: Solve for x
    x = 10,932,604,382.76/119,827.96
  6. Step 6: Final answer
    x = 91,235.84

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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.