Home / 117,150.80-175,724.60-28,405.04

Finding the Fourth Proportional to 117,150.80, 175,724.60 and 28,405.04

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Solution

The fourth proportional to 117,150.80, 175,724.60 and 28,405.04 is: 42,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,150.80 : 175,724.60 = 28,405.04 : x
  2. Step 2: Convert to fraction form
    117,150.80/175,724.60 = 28,405.04/x
  3. Step 3: Cross multiply
    117,150.80x = 175,724.60 × 28,405.04
  4. Step 4: Simplify right side
    117,150.80x = 4,991,464,291.98
  5. Step 5: Solve for x
    x = 4,991,464,291.98/117,150.80
  6. Step 6: Final answer
    x = 42,607.17

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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.