Home / 189,523.96-284,458.02-100,851.64

Finding the Fourth Proportional to 189,523.96, 284,458.02 and 100,851.64

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Solution

The fourth proportional to 189,523.96, 284,458.02 and 100,851.64 is: 151,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,523.96 : 284,458.02 = 100,851.64 : x
  2. Step 2: Convert to fraction form
    189,523.96/284,458.02 = 100,851.64/x
  3. Step 3: Cross multiply
    189,523.96x = 284,458.02 × 100,851.64
  4. Step 4: Simplify right side
    189,523.96x = 28,688,057,828.15
  5. Step 5: Solve for x
    x = 28,688,057,828.15/189,523.96
  6. Step 6: Final answer
    x = 151,369.03

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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.