Home / 156,927.46-216,558.54-85,307.26

Finding the Fourth Proportional to 156,927.46, 216,558.54 and 85,307.26

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Solution

The fourth proportional to 156,927.46, 216,558.54 and 85,307.26 is: 117,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.46 : 216,558.54 = 85,307.26 : x
  2. Step 2: Convert to fraction form
    156,927.46/216,558.54 = 85,307.26/x
  3. Step 3: Cross multiply
    156,927.46x = 216,558.54 × 85,307.26
  4. Step 4: Simplify right side
    156,927.46x = 18,474,015,677.00
  5. Step 5: Solve for x
    x = 18,474,015,677.00/156,927.46
  6. Step 6: Final answer
    x = 117,723.28

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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.