Home / 185,435.15-278,079.94-65,466.50

Finding the Fourth Proportional to 185,435.15, 278,079.94 and 65,466.50

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Solution

The fourth proportional to 185,435.15, 278,079.94 and 65,466.50 is: 98,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,435.15 : 278,079.94 = 65,466.50 : x
  2. Step 2: Convert to fraction form
    185,435.15/278,079.94 = 65,466.50/x
  3. Step 3: Cross multiply
    185,435.15x = 278,079.94 × 65,466.50
  4. Step 4: Simplify right side
    185,435.15x = 18,204,918,674.28
  5. Step 5: Solve for x
    x = 18,204,918,674.28/185,435.15
  6. Step 6: Final answer
    x = 98,174.04

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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.