Home / 191,914.08-287,879.76-58,784.64

Finding the Fourth Proportional to 191,914.08, 287,879.76 and 58,784.64

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Solution

The fourth proportional to 191,914.08, 287,879.76 and 58,784.64 is: 88,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,914.08 : 287,879.76 = 58,784.64 : x
  2. Step 2: Convert to fraction form
    191,914.08/287,879.76 = 58,784.64/x
  3. Step 3: Cross multiply
    191,914.08x = 287,879.76 × 58,784.64
  4. Step 4: Simplify right side
    191,914.08x = 16,922,908,054.89
  5. Step 5: Solve for x
    x = 16,922,908,054.89/191,914.08
  6. Step 6: Final answer
    x = 88,179.61

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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.