Home / 156,654.53-216,188.09-92,112.11

Finding the Fourth Proportional to 156,654.53, 216,188.09 and 92,112.11

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Solution

The fourth proportional to 156,654.53, 216,188.09 and 92,112.11 is: 127,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,654.53 : 216,188.09 = 92,112.11 : x
  2. Step 2: Convert to fraction form
    156,654.53/216,188.09 = 92,112.11/x
  3. Step 3: Cross multiply
    156,654.53x = 216,188.09 × 92,112.11
  4. Step 4: Simplify right side
    156,654.53x = 19,913,539,585.27
  5. Step 5: Solve for x
    x = 19,913,539,585.27/156,654.53
  6. Step 6: Final answer
    x = 127,117.55

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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.