Home / 156,577.04-216,132.35-92,914.83

Finding the Fourth Proportional to 156,577.04, 216,132.35 and 92,914.83

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Solution

The fourth proportional to 156,577.04, 216,132.35 and 92,914.83 is: 128,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,577.04 : 216,132.35 = 92,914.83 : x
  2. Step 2: Convert to fraction form
    156,577.04/216,132.35 = 92,914.83/x
  3. Step 3: Cross multiply
    156,577.04x = 216,132.35 × 92,914.83
  4. Step 4: Simplify right side
    156,577.04x = 20,081,900,093.18
  5. Step 5: Solve for x
    x = 20,081,900,093.18/156,577.04
  6. Step 6: Final answer
    x = 128,255.72

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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.