Home / 113,540.94-156,688.02-63,239.94

Finding the Fourth Proportional to 113,540.94, 156,688.02 and 63,239.94

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Solution

The fourth proportional to 113,540.94, 156,688.02 and 63,239.94 is: 87,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,540.94 : 156,688.02 = 63,239.94 : x
  2. Step 2: Convert to fraction form
    113,540.94/156,688.02 = 63,239.94/x
  3. Step 3: Cross multiply
    113,540.94x = 156,688.02 × 63,239.94
  4. Step 4: Simplify right side
    113,540.94x = 9,908,940,983.52
  5. Step 5: Solve for x
    x = 9,908,940,983.52/113,540.94
  6. Step 6: Final answer
    x = 87,271.97

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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.