Home / 116,380.62-160,603.80-66,076.38

Finding the Fourth Proportional to 116,380.62, 160,603.80 and 66,076.38

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Solution

The fourth proportional to 116,380.62, 160,603.80 and 66,076.38 is: 91,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,380.62 : 160,603.80 = 66,076.38 : x
  2. Step 2: Convert to fraction form
    116,380.62/160,603.80 = 66,076.38/x
  3. Step 3: Cross multiply
    116,380.62x = 160,603.80 × 66,076.38
  4. Step 4: Simplify right side
    116,380.62x = 10,612,117,718.24
  5. Step 5: Solve for x
    x = 10,612,117,718.24/116,380.62
  6. Step 6: Final answer
    x = 91,184.58

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1.5x scale

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.