Home / 103,215.28-154,822.92-33,100.08

Finding the Fourth Proportional to 103,215.28, 154,822.92 and 33,100.08

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Solution

The fourth proportional to 103,215.28, 154,822.92 and 33,100.08 is: 49,650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,215.28 : 154,822.92 = 33,100.08 : x
  2. Step 2: Convert to fraction form
    103,215.28/154,822.92 = 33,100.08/x
  3. Step 3: Cross multiply
    103,215.28x = 154,822.92 × 33,100.08
  4. Step 4: Simplify right side
    103,215.28x = 5,124,651,037.83
  5. Step 5: Solve for x
    x = 5,124,651,037.83/103,215.28
  6. Step 6: Final answer
    x = 49,650.12

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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.