Home / 156,655.03-216,188.77-92,112.61

Finding the Fourth Proportional to 156,655.03, 216,188.77 and 92,112.61

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Solution

The fourth proportional to 156,655.03, 216,188.77 and 92,112.61 is: 127,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,655.03 : 216,188.77 = 92,112.61 : x
  2. Step 2: Convert to fraction form
    156,655.03/216,188.77 = 92,112.61/x
  3. Step 3: Cross multiply
    156,655.03x = 216,188.77 × 92,112.61
  4. Step 4: Simplify right side
    156,655.03x = 19,913,711,857.39
  5. Step 5: Solve for x
    x = 19,913,711,857.39/156,655.03
  6. Step 6: Final answer
    x = 127,118.24

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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.