Home / 105,633.51-158,476.25-30,754.30

Finding the Fourth Proportional to 105,633.51, 158,476.25 and 30,754.30

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Solution

The fourth proportional to 105,633.51, 158,476.25 and 30,754.30 is: 46,139.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,633.51 : 158,476.25 = 30,754.30 : x
  2. Step 2: Convert to fraction form
    105,633.51/158,476.25 = 30,754.30/x
  3. Step 3: Cross multiply
    105,633.51x = 158,476.25 × 30,754.30
  4. Step 4: Simplify right side
    105,633.51x = 4,873,826,135.38
  5. Step 5: Solve for x
    x = 4,873,826,135.38/105,633.51
  6. Step 6: Final answer
    x = 46,139.02

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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.