Home / 112,157.06-168,272.04-74,868.71

Finding the Fourth Proportional to 112,157.06, 168,272.04 and 74,868.71

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Solution

The fourth proportional to 112,157.06, 168,272.04 and 74,868.71 is: 112,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.06 : 168,272.04 = 74,868.71 : x
  2. Step 2: Convert to fraction form
    112,157.06/168,272.04 = 74,868.71/x
  3. Step 3: Cross multiply
    112,157.06x = 168,272.04 × 74,868.71
  4. Step 4: Simplify right side
    112,157.06x = 12,598,310,563.87
  5. Step 5: Solve for x
    x = 12,598,310,563.87/112,157.06
  6. Step 6: Final answer
    x = 112,327.40

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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.