Home / 117,188.16-175,780.92-28,442.64

Finding the Fourth Proportional to 117,188.16, 175,780.92 and 28,442.64

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Solution

The fourth proportional to 117,188.16, 175,780.92 and 28,442.64 is: 42,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,188.16 : 175,780.92 = 28,442.64 : x
  2. Step 2: Convert to fraction form
    117,188.16/175,780.92 = 28,442.64/x
  3. Step 3: Cross multiply
    117,188.16x = 175,780.92 × 28,442.64
  4. Step 4: Simplify right side
    117,188.16x = 4,999,673,426.43
  5. Step 5: Solve for x
    x = 4,999,673,426.43/117,188.16
  6. Step 6: Final answer
    x = 42,663.64

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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.