Home / 112,173.53-168,333.06-67,160.96

Finding the Fourth Proportional to 112,173.53, 168,333.06 and 67,160.96

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Solution

The fourth proportional to 112,173.53, 168,333.06 and 67,160.96 is: 100,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.53 : 168,333.06 = 67,160.96 : x
  2. Step 2: Convert to fraction form
    112,173.53/168,333.06 = 67,160.96/x
  3. Step 3: Cross multiply
    112,173.53x = 168,333.06 × 67,160.96
  4. Step 4: Simplify right side
    112,173.53x = 11,305,409,909.34
  5. Step 5: Solve for x
    x = 11,305,409,909.34/112,173.53
  6. Step 6: Final answer
    x = 100,785.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.