Home / 121,307.37-167,401.94-67,591.23

Finding the Fourth Proportional to 121,307.37, 167,401.94 and 67,591.23

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Solution

The fourth proportional to 121,307.37, 167,401.94 and 67,591.23 is: 93,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,307.37 : 167,401.94 = 67,591.23 : x
  2. Step 2: Convert to fraction form
    121,307.37/167,401.94 = 67,591.23/x
  3. Step 3: Cross multiply
    121,307.37x = 167,401.94 × 67,591.23
  4. Step 4: Simplify right side
    121,307.37x = 11,314,903,028.99
  5. Step 5: Solve for x
    x = 11,314,903,028.99/121,307.37
  6. Step 6: Final answer
    x = 93,274.65

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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.