Home / 159,169.28-219,653.76-92,102.40

Finding the Fourth Proportional to 159,169.28, 219,653.76 and 92,102.40

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Solution

The fourth proportional to 159,169.28, 219,653.76 and 92,102.40 is: 127,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,169.28 : 219,653.76 = 92,102.40 : x
  2. Step 2: Convert to fraction form
    159,169.28/219,653.76 = 92,102.40/x
  3. Step 3: Cross multiply
    159,169.28x = 219,653.76 × 92,102.40
  4. Step 4: Simplify right side
    159,169.28x = 20,230,638,465.02
  5. Step 5: Solve for x
    x = 20,230,638,465.02/159,169.28
  6. Step 6: Final answer
    x = 127,101.40

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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.