Home / 103,616.20-155,424.30-95,451.40

Finding the Fourth Proportional to 103,616.20, 155,424.30 and 95,451.40

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Solution

The fourth proportional to 103,616.20, 155,424.30 and 95,451.40 is: 143,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.20 : 155,424.30 = 95,451.40 : x
  2. Step 2: Convert to fraction form
    103,616.20/155,424.30 = 95,451.40/x
  3. Step 3: Cross multiply
    103,616.20x = 155,424.30 × 95,451.40
  4. Step 4: Simplify right side
    103,616.20x = 14,835,467,029.02
  5. Step 5: Solve for x
    x = 14,835,467,029.02/103,616.20
  6. Step 6: Final answer
    x = 143,177.10

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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.