Home / 185,834.16-278,784.84-67,671.36

Finding the Fourth Proportional to 185,834.16, 278,784.84 and 67,671.36

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Solution

The fourth proportional to 185,834.16, 278,784.84 and 67,671.36 is: 101,519.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,834.16 : 278,784.84 = 67,671.36 : x
  2. Step 2: Convert to fraction form
    185,834.16/278,784.84 = 67,671.36/x
  3. Step 3: Cross multiply
    185,834.16x = 278,784.84 × 67,671.36
  4. Step 4: Simplify right side
    185,834.16x = 18,865,749,270.18
  5. Step 5: Solve for x
    x = 18,865,749,270.18/185,834.16
  6. Step 6: Final answer
    x = 101,519.28

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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.