Home / 261,014.12-360,189.86-141,779.56

Finding the Fourth Proportional to 261,014.12, 360,189.86 and 141,779.56

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Solution

The fourth proportional to 261,014.12, 360,189.86 and 141,779.56 is: 195,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,014.12 : 360,189.86 = 141,779.56 : x
  2. Step 2: Convert to fraction form
    261,014.12/360,189.86 = 141,779.56/x
  3. Step 3: Cross multiply
    261,014.12x = 360,189.86 × 141,779.56
  4. Step 4: Simplify right side
    261,014.12x = 51,067,559,867.26
  5. Step 5: Solve for x
    x = 51,067,559,867.26/261,014.12
  6. Step 6: Final answer
    x = 195,650.56

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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.