Home / 101,476.12-152,257.94-54,718.20

Finding the Fourth Proportional to 101,476.12, 152,257.94 and 54,718.20

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Solution

The fourth proportional to 101,476.12, 152,257.94 and 54,718.20 is: 82,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.12 : 152,257.94 = 54,718.20 : x
  2. Step 2: Convert to fraction form
    101,476.12/152,257.94 = 54,718.20/x
  3. Step 3: Cross multiply
    101,476.12x = 152,257.94 × 54,718.20
  4. Step 4: Simplify right side
    101,476.12x = 8,331,280,412.51
  5. Step 5: Solve for x
    x = 8,331,280,412.51/101,476.12
  6. Step 6: Final answer
    x = 82,100.90

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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.