Home / 156,219.72-215,583.06-84,600.36

Finding the Fourth Proportional to 156,219.72, 215,583.06 and 84,600.36

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Solution

The fourth proportional to 156,219.72, 215,583.06 and 84,600.36 is: 116,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,219.72 : 215,583.06 = 84,600.36 : x
  2. Step 2: Convert to fraction form
    156,219.72/215,583.06 = 84,600.36/x
  3. Step 3: Cross multiply
    156,219.72x = 215,583.06 × 84,600.36
  4. Step 4: Simplify right side
    156,219.72x = 18,238,404,485.90
  5. Step 5: Solve for x
    x = 18,238,404,485.90/156,219.72
  6. Step 6: Final answer
    x = 116,748.41

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1.5x scale

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.