Home / 117,134.32-175,699.93-28,388.60

Finding the Fourth Proportional to 117,134.32, 175,699.93 and 28,388.60

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Solution

The fourth proportional to 117,134.32, 175,699.93 and 28,388.60 is: 42,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,134.32 : 175,699.93 = 28,388.60 : x
  2. Step 2: Convert to fraction form
    117,134.32/175,699.93 = 28,388.60/x
  3. Step 3: Cross multiply
    117,134.32x = 175,699.93 × 28,388.60
  4. Step 4: Simplify right side
    117,134.32x = 4,987,874,012.36
  5. Step 5: Solve for x
    x = 4,987,874,012.36/117,134.32
  6. Step 6: Final answer
    x = 42,582.52

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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.