Home / 285,188.18-427,620.29-116,511.02

Finding the Fourth Proportional to 285,188.18, 427,620.29 and 116,511.02

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Solution

The fourth proportional to 285,188.18, 427,620.29 and 116,511.02 is: 174,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,188.18 : 427,620.29 = 116,511.02 : x
  2. Step 2: Convert to fraction form
    285,188.18/427,620.29 = 116,511.02/x
  3. Step 3: Cross multiply
    285,188.18x = 427,620.29 × 116,511.02
  4. Step 4: Simplify right side
    285,188.18x = 49,822,473,439.94
  5. Step 5: Solve for x
    x = 49,822,473,439.94/285,188.18
  6. Step 6: Final answer
    x = 174,700.35

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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.