Home / 189,890.08-284,878.32-101,096.80

Finding the Fourth Proportional to 189,890.08, 284,878.32 and 101,096.80

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Solution

The fourth proportional to 189,890.08, 284,878.32 and 101,096.80 is: 151,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,890.08 : 284,878.32 = 101,096.80 : x
  2. Step 2: Convert to fraction form
    189,890.08/284,878.32 = 101,096.80/x
  3. Step 3: Cross multiply
    189,890.08x = 284,878.32 × 101,096.80
  4. Step 4: Simplify right side
    189,890.08x = 28,800,286,541.38
  5. Step 5: Solve for x
    x = 28,800,286,541.38/189,890.08
  6. Step 6: Final answer
    x = 151,668.20

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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.