Home / 191,742.12-287,611.92-58,621.86

Finding the Fourth Proportional to 191,742.12, 287,611.92 and 58,621.86

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Solution

The fourth proportional to 191,742.12, 287,611.92 and 58,621.86 is: 87,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,742.12 : 287,611.92 = 58,621.86 : x
  2. Step 2: Convert to fraction form
    191,742.12/287,611.92 = 58,621.86/x
  3. Step 3: Cross multiply
    191,742.12x = 287,611.92 × 58,621.86
  4. Step 4: Simplify right side
    191,742.12x = 16,860,345,708.57
  5. Step 5: Solve for x
    x = 16,860,345,708.57/191,742.12
  6. Step 6: Final answer
    x = 87,932.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.