Home / 189,779.82-284,659.98-56,661.18

Finding the Fourth Proportional to 189,779.82, 284,659.98 and 56,661.18

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Solution

The fourth proportional to 189,779.82, 284,659.98 and 56,661.18 is: 84,988.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,779.82 : 284,659.98 = 56,661.18 : x
  2. Step 2: Convert to fraction form
    189,779.82/284,659.98 = 56,661.18/x
  3. Step 3: Cross multiply
    189,779.82x = 284,659.98 × 56,661.18
  4. Step 4: Simplify right side
    189,779.82x = 16,129,170,365.58
  5. Step 5: Solve for x
    x = 16,129,170,365.58/189,779.82
  6. Step 6: Final answer
    x = 84,988.86

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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.