Home / 100,900.12-151,350.38-94,734.58

Finding the Fourth Proportional to 100,900.12, 151,350.38 and 94,734.58

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Solution

The fourth proportional to 100,900.12, 151,350.38 and 94,734.58 is: 142,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900.12 : 151,350.38 = 94,734.58 : x
  2. Step 2: Convert to fraction form
    100,900.12/151,350.38 = 94,734.58/x
  3. Step 3: Cross multiply
    100,900.12x = 151,350.38 × 94,734.58
  4. Step 4: Simplify right side
    100,900.12x = 14,338,113,830.09
  5. Step 5: Solve for x
    x = 14,338,113,830.09/100,900.12
  6. Step 6: Final answer
    x = 142,102.04

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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.