Home / 189,743.11-284,615.91-75,900.44

Finding the Fourth Proportional to 189,743.11, 284,615.91 and 75,900.44

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Solution

The fourth proportional to 189,743.11, 284,615.91 and 75,900.44 is: 113,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,743.11 : 284,615.91 = 75,900.44 : x
  2. Step 2: Convert to fraction form
    189,743.11/284,615.91 = 75,900.44/x
  3. Step 3: Cross multiply
    189,743.11x = 284,615.91 × 75,900.44
  4. Step 4: Simplify right side
    189,743.11x = 21,602,473,831.75
  5. Step 5: Solve for x
    x = 21,602,473,831.75/189,743.11
  6. Step 6: Final answer
    x = 113,851.16

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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.