Home / 170,829.80-256,354.05-99,752.30

Finding the Fourth Proportional to 170,829.80, 256,354.05 and 99,752.30

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Solution

The fourth proportional to 170,829.80, 256,354.05 and 99,752.30 is: 149,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829.80 : 256,354.05 = 99,752.30 : x
  2. Step 2: Convert to fraction form
    170,829.80/256,354.05 = 99,752.30/x
  3. Step 3: Cross multiply
    170,829.80x = 256,354.05 × 99,752.30
  4. Step 4: Simplify right side
    170,829.80x = 25,571,906,101.82
  5. Step 5: Solve for x
    x = 25,571,906,101.82/170,829.80
  6. Step 6: Final answer
    x = 149,692.30

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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.