Home / 285,540.61-428,337.37-93,416.10

Finding the Fourth Proportional to 285,540.61, 428,337.37 and 93,416.10

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Solution

The fourth proportional to 285,540.61, 428,337.37 and 93,416.10 is: 140,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,540.61 : 428,337.37 = 93,416.10 : x
  2. Step 2: Convert to fraction form
    285,540.61/428,337.37 = 93,416.10/x
  3. Step 3: Cross multiply
    285,540.61x = 428,337.37 × 93,416.10
  4. Step 4: Simplify right side
    285,540.61x = 40,013,606,984.09
  5. Step 5: Solve for x
    x = 40,013,606,984.09/285,540.61
  6. Step 6: Final answer
    x = 140,132.81

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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.