Home / 180,898.26-249,654.94-100,351.74

Finding the Fourth Proportional to 180,898.26, 249,654.94 and 100,351.74

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Solution

The fourth proportional to 180,898.26, 249,654.94 and 100,351.74 is: 138,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,898.26 : 249,654.94 = 100,351.74 : x
  2. Step 2: Convert to fraction form
    180,898.26/249,654.94 = 100,351.74/x
  3. Step 3: Cross multiply
    180,898.26x = 249,654.94 × 100,351.74
  4. Step 4: Simplify right side
    180,898.26x = 25,053,307,628.60
  5. Step 5: Solve for x
    x = 25,053,307,628.60/180,898.26
  6. Step 6: Final answer
    x = 138,493.91

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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.