Home / 296,779.03-409,575.15-167,672.72

Finding the Fourth Proportional to 296,779.03, 409,575.15 and 167,672.72

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Solution

The fourth proportional to 296,779.03, 409,575.15 and 167,672.72 is: 231,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,779.03 : 409,575.15 = 167,672.72 : x
  2. Step 2: Convert to fraction form
    296,779.03/409,575.15 = 167,672.72/x
  3. Step 3: Cross multiply
    296,779.03x = 409,575.15 × 167,672.72
  4. Step 4: Simplify right side
    296,779.03x = 68,674,580,468.85
  5. Step 5: Solve for x
    x = 68,674,580,468.85/296,779.03
  6. Step 6: Final answer
    x = 231,399.71

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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.