Home / 121,682.24-167,916.48-67,967

Finding the Fourth Proportional to 121,682.24, 167,916.48 and 67,967

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Solution

The fourth proportional to 121,682.24, 167,916.48 and 67,967 is: 93,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,682.24 : 167,916.48 = 67,967 : x
  2. Step 2: Convert to fraction form
    121,682.24/167,916.48 = 67,967/x
  3. Step 3: Cross multiply
    121,682.24x = 167,916.48 × 67,967
  4. Step 4: Simplify right side
    121,682.24x = 11,412,779,396.16
  5. Step 5: Solve for x
    x = 11,412,779,396.16/121,682.24
  6. Step 6: Final answer
    x = 93,791.66

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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.