Home / 156,970.55-235,455.83-109,731.35

Finding the Fourth Proportional to 156,970.55, 235,455.83 and 109,731.35

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Solution

The fourth proportional to 156,970.55, 235,455.83 and 109,731.35 is: 164,597.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.55 : 235,455.83 = 109,731.35 : x
  2. Step 2: Convert to fraction form
    156,970.55/235,455.83 = 109,731.35/x
  3. Step 3: Cross multiply
    156,970.55x = 235,455.83 × 109,731.35
  4. Step 4: Simplify right side
    156,970.55x = 25,836,886,091.27
  5. Step 5: Solve for x
    x = 25,836,886,091.27/156,970.55
  6. Step 6: Final answer
    x = 164,597.03

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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.