Home / 114,972.72-158,651.36-84,774.35

Finding the Fourth Proportional to 114,972.72, 158,651.36 and 84,774.35

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Solution

The fourth proportional to 114,972.72, 158,651.36 and 84,774.35 is: 116,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,972.72 : 158,651.36 = 84,774.35 : x
  2. Step 2: Convert to fraction form
    114,972.72/158,651.36 = 84,774.35/x
  3. Step 3: Cross multiply
    114,972.72x = 158,651.36 × 84,774.35
  4. Step 4: Simplify right side
    114,972.72x = 13,449,565,318.86
  5. Step 5: Solve for x
    x = 13,449,565,318.86/114,972.72
  6. Step 6: Final answer
    x = 116,980.50

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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.