Home / 185,235.87-277,558.56-118,621.20

Finding the Fourth Proportional to 185,235.87, 277,558.56 and 118,621.20

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Solution

The fourth proportional to 185,235.87, 277,558.56 and 118,621.20 is: 177,742.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,235.87 : 277,558.56 = 118,621.20 : x
  2. Step 2: Convert to fraction form
    185,235.87/277,558.56 = 118,621.20/x
  3. Step 3: Cross multiply
    185,235.87x = 277,558.56 × 118,621.20
  4. Step 4: Simplify right side
    185,235.87x = 32,924,329,457.47
  5. Step 5: Solve for x
    x = 32,924,329,457.47/185,235.87
  6. Step 6: Final answer
    x = 177,742.73

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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.