Home / 103,335.18-155,004.57-28,454.94

Finding the Fourth Proportional to 103,335.18, 155,004.57 and 28,454.94

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Solution

The fourth proportional to 103,335.18, 155,004.57 and 28,454.94 is: 42,682.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.18 : 155,004.57 = 28,454.94 : x
  2. Step 2: Convert to fraction form
    103,335.18/155,004.57 = 28,454.94/x
  3. Step 3: Cross multiply
    103,335.18x = 155,004.57 × 28,454.94
  4. Step 4: Simplify right side
    103,335.18x = 4,410,645,739.08
  5. Step 5: Solve for x
    x = 4,410,645,739.08/103,335.18
  6. Step 6: Final answer
    x = 42,682.91

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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.