Home / 151,823.28-209,516.10-84,755.28

Finding the Fourth Proportional to 151,823.28, 209,516.10 and 84,755.28

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Solution

The fourth proportional to 151,823.28, 209,516.10 and 84,755.28 is: 116,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,823.28 : 209,516.10 = 84,755.28 : x
  2. Step 2: Convert to fraction form
    151,823.28/209,516.10 = 84,755.28/x
  3. Step 3: Cross multiply
    151,823.28x = 209,516.10 × 84,755.28
  4. Step 4: Simplify right side
    151,823.28x = 17,757,595,720.01
  5. Step 5: Solve for x
    x = 17,757,595,720.01/151,823.28
  6. Step 6: Final answer
    x = 116,962.27

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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.