Home / 114,435.40-171,653.10-77,110.60

Finding the Fourth Proportional to 114,435.40, 171,653.10 and 77,110.60

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Solution

The fourth proportional to 114,435.40, 171,653.10 and 77,110.60 is: 115,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,435.40 : 171,653.10 = 77,110.60 : x
  2. Step 2: Convert to fraction form
    114,435.40/171,653.10 = 77,110.60/x
  3. Step 3: Cross multiply
    114,435.40x = 171,653.10 × 77,110.60
  4. Step 4: Simplify right side
    114,435.40x = 13,236,273,532.86
  5. Step 5: Solve for x
    x = 13,236,273,532.86/114,435.40
  6. Step 6: Final answer
    x = 115,665.90

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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.