Home / 201,719.04-302,621.90-100,572.16

Finding the Fourth Proportional to 201,719.04, 302,621.90 and 100,572.16

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Solution

The fourth proportional to 201,719.04, 302,621.90 and 100,572.16 is: 150,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,719.04 : 302,621.90 = 100,572.16 : x
  2. Step 2: Convert to fraction form
    201,719.04/302,621.90 = 100,572.16/x
  3. Step 3: Cross multiply
    201,719.04x = 302,621.90 × 100,572.16
  4. Step 4: Simplify right side
    201,719.04x = 30,435,338,146.30
  5. Step 5: Solve for x
    x = 30,435,338,146.30/201,719.04
  6. Step 6: Final answer
    x = 150,879.85

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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.