Home / 147,257.80-220,886.70-124,448.20

Finding the Fourth Proportional to 147,257.80, 220,886.70 and 124,448.20

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Solution

The fourth proportional to 147,257.80, 220,886.70 and 124,448.20 is: 186,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,257.80 : 220,886.70 = 124,448.20 : x
  2. Step 2: Convert to fraction form
    147,257.80/220,886.70 = 124,448.20/x
  3. Step 3: Cross multiply
    147,257.80x = 220,886.70 × 124,448.20
  4. Step 4: Simplify right side
    147,257.80x = 27,488,952,218.94
  5. Step 5: Solve for x
    x = 27,488,952,218.94/147,257.80
  6. Step 6: Final answer
    x = 186,672.30

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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.