Home / 117,007.24-175,231.86-74,754.40

Finding the Fourth Proportional to 117,007.24, 175,231.86 and 74,754.40

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Solution

The fourth proportional to 117,007.24, 175,231.86 and 74,754.40 is: 111,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.24 : 175,231.86 = 74,754.40 : x
  2. Step 2: Convert to fraction form
    117,007.24/175,231.86 = 74,754.40/x
  3. Step 3: Cross multiply
    117,007.24x = 175,231.86 × 74,754.40
  4. Step 4: Simplify right side
    117,007.24x = 13,099,352,555.18
  5. Step 5: Solve for x
    x = 13,099,352,555.18/117,007.24
  6. Step 6: Final answer
    x = 111,953.35

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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.