Home / 207,093.27-285,885-156,126.72

Finding the Fourth Proportional to 207,093.27, 285,885 and 156,126.72

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Solution

The fourth proportional to 207,093.27, 285,885 and 156,126.72 is: 215,527.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,093.27 : 285,885 = 156,126.72 : x
  2. Step 2: Convert to fraction form
    207,093.27/285,885 = 156,126.72/x
  3. Step 3: Cross multiply
    207,093.27x = 285,885 × 156,126.72
  4. Step 4: Simplify right side
    207,093.27x = 44,634,287,347.20
  5. Step 5: Solve for x
    x = 44,634,287,347.20/207,093.27
  6. Step 6: Final answer
    x = 215,527.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.