Home / 156,748.15-216,316.73-92,221.93

Finding the Fourth Proportional to 156,748.15, 216,316.73 and 92,221.93

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Solution

The fourth proportional to 156,748.15, 216,316.73 and 92,221.93 is: 127,268.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.15 : 216,316.73 = 92,221.93 : x
  2. Step 2: Convert to fraction form
    156,748.15/216,316.73 = 92,221.93/x
  3. Step 3: Cross multiply
    156,748.15x = 216,316.73 × 92,221.93
  4. Step 4: Simplify right side
    156,748.15x = 19,949,146,331.89
  5. Step 5: Solve for x
    x = 19,949,146,331.89/156,748.15
  6. Step 6: Final answer
    x = 127,268.78

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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.