Home / 121,026.68-167,021.44-67,315.58

Finding the Fourth Proportional to 121,026.68, 167,021.44 and 67,315.58

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Solution

The fourth proportional to 121,026.68, 167,021.44 and 67,315.58 is: 92,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,026.68 : 167,021.44 = 67,315.58 : x
  2. Step 2: Convert to fraction form
    121,026.68/167,021.44 = 67,315.58/x
  3. Step 3: Cross multiply
    121,026.68x = 167,021.44 × 67,315.58
  4. Step 4: Simplify right side
    121,026.68x = 11,243,145,106.04
  5. Step 5: Solve for x
    x = 11,243,145,106.04/121,026.68
  6. Step 6: Final answer
    x = 92,898.07

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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.