Home / 118,300.97-163,249.20-67,312.67

Finding the Fourth Proportional to 118,300.97, 163,249.20 and 67,312.67

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Solution

The fourth proportional to 118,300.97, 163,249.20 and 67,312.67 is: 92,887.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,300.97 : 163,249.20 = 67,312.67 : x
  2. Step 2: Convert to fraction form
    118,300.97/163,249.20 = 67,312.67/x
  3. Step 3: Cross multiply
    118,300.97x = 163,249.20 × 67,312.67
  4. Step 4: Simplify right side
    118,300.97x = 10,988,738,374.55
  5. Step 5: Solve for x
    x = 10,988,738,374.55/118,300.97
  6. Step 6: Final answer
    x = 92,887.99

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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.