Home / 103,896.18-156,125.64-56,546.28

Finding the Fourth Proportional to 103,896.18, 156,125.64 and 56,546.28

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Solution

The fourth proportional to 103,896.18, 156,125.64 and 56,546.28 is: 84,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,896.18 : 156,125.64 = 56,546.28 : x
  2. Step 2: Convert to fraction form
    103,896.18/156,125.64 = 56,546.28/x
  3. Step 3: Cross multiply
    103,896.18x = 156,125.64 × 56,546.28
  4. Step 4: Simplify right side
    103,896.18x = 8,828,324,154.62
  5. Step 5: Solve for x
    x = 8,828,324,154.62/103,896.18
  6. Step 6: Final answer
    x = 84,972.56

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1.5x scale

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.