Home / 175,291.20-262,936.80-100,641.60

Finding the Fourth Proportional to 175,291.20, 262,936.80 and 100,641.60

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Solution

The fourth proportional to 175,291.20, 262,936.80 and 100,641.60 is: 150,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,291.20 : 262,936.80 = 100,641.60 : x
  2. Step 2: Convert to fraction form
    175,291.20/262,936.80 = 100,641.60/x
  3. Step 3: Cross multiply
    175,291.20x = 262,936.80 × 100,641.60
  4. Step 4: Simplify right side
    175,291.20x = 26,462,380,250.88
  5. Step 5: Solve for x
    x = 26,462,380,250.88/175,291.20
  6. Step 6: Final answer
    x = 150,962.40

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1.5x scale

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.