Home / 116,036.20-174,216.30-74,175.40

Finding the Fourth Proportional to 116,036.20, 174,216.30 and 74,175.40

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Solution

The fourth proportional to 116,036.20, 174,216.30 and 74,175.40 is: 111,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,036.20 : 174,216.30 = 74,175.40 : x
  2. Step 2: Convert to fraction form
    116,036.20/174,216.30 = 74,175.40/x
  3. Step 3: Cross multiply
    116,036.20x = 174,216.30 × 74,175.40
  4. Step 4: Simplify right side
    116,036.20x = 12,922,563,739.02
  5. Step 5: Solve for x
    x = 12,922,563,739.02/116,036.20
  6. Step 6: Final answer
    x = 111,366.66

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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.