Home / 100,884.44-151,160.55-70,492.65

Finding the Fourth Proportional to 100,884.44, 151,160.55 and 70,492.65

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Solution

The fourth proportional to 100,884.44, 151,160.55 and 70,492.65 is: 105,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,884.44 : 151,160.55 = 70,492.65 : x
  2. Step 2: Convert to fraction form
    100,884.44/151,160.55 = 70,492.65/x
  3. Step 3: Cross multiply
    100,884.44x = 151,160.55 × 70,492.65
  4. Step 4: Simplify right side
    100,884.44x = 10,655,707,744.96
  5. Step 5: Solve for x
    x = 10,655,707,744.96/100,884.44
  6. Step 6: Final answer
    x = 105,622.91

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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.