Home / 156,310.46-215,684.06-92,637.98

Finding the Fourth Proportional to 156,310.46, 215,684.06 and 92,637.98

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Solution

The fourth proportional to 156,310.46, 215,684.06 and 92,637.98 is: 127,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,310.46 : 215,684.06 = 92,637.98 : x
  2. Step 2: Convert to fraction form
    156,310.46/215,684.06 = 92,637.98/x
  3. Step 3: Cross multiply
    156,310.46x = 215,684.06 × 92,637.98
  4. Step 4: Simplify right side
    156,310.46x = 19,980,535,636.60
  5. Step 5: Solve for x
    x = 19,980,535,636.60/156,310.46
  6. Step 6: Final answer
    x = 127,825.97

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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.