Home / 114,648.27-171,970.74-80,774.28

Finding the Fourth Proportional to 114,648.27, 171,970.74 and 80,774.28

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Solution

The fourth proportional to 114,648.27, 171,970.74 and 80,774.28 is: 121,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,648.27 : 171,970.74 = 80,774.28 : x
  2. Step 2: Convert to fraction form
    114,648.27/171,970.74 = 80,774.28/x
  3. Step 3: Cross multiply
    114,648.27x = 171,970.74 × 80,774.28
  4. Step 4: Simplify right side
    114,648.27x = 13,890,812,704.57
  5. Step 5: Solve for x
    x = 13,890,812,704.57/114,648.27
  6. Step 6: Final answer
    x = 121,160.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.