Home / 151,983.24-209,732.58-84,915.24

Finding the Fourth Proportional to 151,983.24, 209,732.58 and 84,915.24

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Solution

The fourth proportional to 151,983.24, 209,732.58 and 84,915.24 is: 117,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,983.24 : 209,732.58 = 84,915.24 : x
  2. Step 2: Convert to fraction form
    151,983.24/209,732.58 = 84,915.24/x
  3. Step 3: Cross multiply
    151,983.24x = 209,732.58 × 84,915.24
  4. Step 4: Simplify right side
    151,983.24x = 17,809,492,366.52
  5. Step 5: Solve for x
    x = 17,809,492,366.52/151,983.24
  6. Step 6: Final answer
    x = 117,180.63

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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.