Home / 119,787.64-165,307.16-66,076.14

Finding the Fourth Proportional to 119,787.64, 165,307.16 and 66,076.14

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Solution

The fourth proportional to 119,787.64, 165,307.16 and 66,076.14 is: 91,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,787.64 : 165,307.16 = 66,076.14 : x
  2. Step 2: Convert to fraction form
    119,787.64/165,307.16 = 66,076.14/x
  3. Step 3: Cross multiply
    119,787.64x = 165,307.16 × 66,076.14
  4. Step 4: Simplify right side
    119,787.64x = 10,922,859,047.16
  5. Step 5: Solve for x
    x = 10,922,859,047.16/119,787.64
  6. Step 6: Final answer
    x = 91,185.19

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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.