Home / 156,742.67-216,309.15-92,216.45

Finding the Fourth Proportional to 156,742.67, 216,309.15 and 92,216.45

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Solution

The fourth proportional to 156,742.67, 216,309.15 and 92,216.45 is: 127,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.67 : 216,309.15 = 92,216.45 : x
  2. Step 2: Convert to fraction form
    156,742.67/216,309.15 = 92,216.45/x
  3. Step 3: Cross multiply
    156,742.67x = 216,309.15 × 92,216.45
  4. Step 4: Simplify right side
    156,742.67x = 19,947,261,915.52
  5. Step 5: Solve for x
    x = 19,947,261,915.52/156,742.67
  6. Step 6: Final answer
    x = 127,261.21

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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.