Home / 156,964.32-235,438.20-92,084.76

Finding the Fourth Proportional to 156,964.32, 235,438.20 and 92,084.76

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Solution

The fourth proportional to 156,964.32, 235,438.20 and 92,084.76 is: 138,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,964.32 : 235,438.20 = 92,084.76 : x
  2. Step 2: Convert to fraction form
    156,964.32/235,438.20 = 92,084.76/x
  3. Step 3: Cross multiply
    156,964.32x = 235,438.20 × 92,084.76
  4. Step 4: Simplify right side
    156,964.32x = 21,680,270,141.83
  5. Step 5: Solve for x
    x = 21,680,270,141.83/156,964.32
  6. Step 6: Final answer
    x = 138,122.28

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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.