Home / 156,484.44-215,942.70-92,784.12

Finding the Fourth Proportional to 156,484.44, 215,942.70 and 92,784.12

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Solution

The fourth proportional to 156,484.44, 215,942.70 and 92,784.12 is: 128,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,484.44 : 215,942.70 = 92,784.12 : x
  2. Step 2: Convert to fraction form
    156,484.44/215,942.70 = 92,784.12/x
  3. Step 3: Cross multiply
    156,484.44x = 215,942.70 × 92,784.12
  4. Step 4: Simplify right side
    156,484.44x = 20,036,053,389.92
  5. Step 5: Solve for x
    x = 20,036,053,389.92/156,484.44
  6. Step 6: Final answer
    x = 128,038.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.