Home / 320,771.85-442,615.84-184,779.24

Finding the Fourth Proportional to 320,771.85, 442,615.84 and 184,779.24

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Solution

The fourth proportional to 320,771.85, 442,615.84 and 184,779.24 is: 254,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,771.85 : 442,615.84 = 184,779.24 : x
  2. Step 2: Convert to fraction form
    320,771.85/442,615.84 = 184,779.24/x
  3. Step 3: Cross multiply
    320,771.85x = 442,615.84 × 184,779.24
  4. Step 4: Simplify right side
    320,771.85x = 81,786,218,527.16
  5. Step 5: Solve for x
    x = 81,786,218,527.16/320,771.85
  6. Step 6: Final answer
    x = 254,966.94

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1.5x scale

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.