Home / 180,924.27-249,705.38-100,377.73

Finding the Fourth Proportional to 180,924.27, 249,705.38 and 100,377.73

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Solution

The fourth proportional to 180,924.27, 249,705.38 and 100,377.73 is: 138,537.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,924.27 : 249,705.38 = 100,377.73 : x
  2. Step 2: Convert to fraction form
    180,924.27/249,705.38 = 100,377.73/x
  3. Step 3: Cross multiply
    180,924.27x = 249,705.38 × 100,377.73
  4. Step 4: Simplify right side
    180,924.27x = 25,064,859,776.26
  5. Step 5: Solve for x
    x = 25,064,859,776.26/180,924.27
  6. Step 6: Final answer
    x = 138,537.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.