Home / 121,395.85-167,526.98-67,684.21

Finding the Fourth Proportional to 121,395.85, 167,526.98 and 67,684.21

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Solution

The fourth proportional to 121,395.85, 167,526.98 and 67,684.21 is: 93,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395.85 : 167,526.98 = 67,684.21 : x
  2. Step 2: Convert to fraction form
    121,395.85/167,526.98 = 67,684.21/x
  3. Step 3: Cross multiply
    121,395.85x = 167,526.98 × 67,684.21
  4. Step 4: Simplify right side
    121,395.85x = 11,338,930,956.56
  5. Step 5: Solve for x
    x = 11,338,930,956.56/121,395.85
  6. Step 6: Final answer
    x = 93,404.60

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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.