Home / 180,609.42-249,245.03-103,083.51

Finding the Fourth Proportional to 180,609.42, 249,245.03 and 103,083.51

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Solution

The fourth proportional to 180,609.42, 249,245.03 and 103,083.51 is: 142,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,609.42 : 249,245.03 = 103,083.51 : x
  2. Step 2: Convert to fraction form
    180,609.42/249,245.03 = 103,083.51/x
  3. Step 3: Cross multiply
    180,609.42x = 249,245.03 × 103,083.51
  4. Step 4: Simplify right side
    180,609.42x = 25,693,053,124.70
  5. Step 5: Solve for x
    x = 25,693,053,124.70/180,609.42
  6. Step 6: Final answer
    x = 142,257.55

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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.