Home / 185,070.32-277,563.96-85,134.56

Finding the Fourth Proportional to 185,070.32, 277,563.96 and 85,134.56

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Solution

The fourth proportional to 185,070.32, 277,563.96 and 85,134.56 is: 127,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,070.32 : 277,563.96 = 85,134.56 : x
  2. Step 2: Convert to fraction form
    185,070.32/277,563.96 = 85,134.56/x
  3. Step 3: Cross multiply
    185,070.32x = 277,563.96 × 85,134.56
  4. Step 4: Simplify right side
    185,070.32x = 23,630,285,606.46
  5. Step 5: Solve for x
    x = 23,630,285,606.46/185,070.32
  6. Step 6: Final answer
    x = 127,682.74

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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.