Home / 117,148.76-175,721.58-28,403.06

Finding the Fourth Proportional to 117,148.76, 175,721.58 and 28,403.06

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Solution

The fourth proportional to 117,148.76, 175,721.58 and 28,403.06 is: 42,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.76 : 175,721.58 = 28,403.06 : x
  2. Step 2: Convert to fraction form
    117,148.76/175,721.58 = 28,403.06/x
  3. Step 3: Cross multiply
    117,148.76x = 175,721.58 × 28,403.06
  4. Step 4: Simplify right side
    117,148.76x = 4,991,030,580.03
  5. Step 5: Solve for x
    x = 4,991,030,580.03/117,148.76
  6. Step 6: Final answer
    x = 42,604.21

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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.