Home / 191,520.64-287,327.49-58,403.26

Finding the Fourth Proportional to 191,520.64, 287,327.49 and 58,403.26

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Solution

The fourth proportional to 191,520.64, 287,327.49 and 58,403.26 is: 87,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,520.64 : 287,327.49 = 58,403.26 : x
  2. Step 2: Convert to fraction form
    191,520.64/287,327.49 = 58,403.26/x
  3. Step 3: Cross multiply
    191,520.64x = 287,327.49 × 58,403.26
  4. Step 4: Simplify right side
    191,520.64x = 16,780,862,103.62
  5. Step 5: Solve for x
    x = 16,780,862,103.62/191,520.64
  6. Step 6: Final answer
    x = 87,619.08

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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.