Home / 156,731.40-216,293.62-92,205.18

Finding the Fourth Proportional to 156,731.40, 216,293.62 and 92,205.18

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Solution

The fourth proportional to 156,731.40, 216,293.62 and 92,205.18 is: 127,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,731.40 : 216,293.62 = 92,205.18 : x
  2. Step 2: Convert to fraction form
    156,731.40/216,293.62 = 92,205.18/x
  3. Step 3: Cross multiply
    156,731.40x = 216,293.62 × 92,205.18
  4. Step 4: Simplify right side
    156,731.40x = 19,943,392,164.95
  5. Step 5: Solve for x
    x = 19,943,392,164.95/156,731.40
  6. Step 6: Final answer
    x = 127,245.67

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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.