Home / 150,367.03-207,506.48-82,386.57

Finding the Fourth Proportional to 150,367.03, 207,506.48 and 82,386.57

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Solution

The fourth proportional to 150,367.03, 207,506.48 and 82,386.57 is: 113,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,367.03 : 207,506.48 = 82,386.57 : x
  2. Step 2: Convert to fraction form
    150,367.03/207,506.48 = 82,386.57/x
  3. Step 3: Cross multiply
    150,367.03x = 207,506.48 × 82,386.57
  4. Step 4: Simplify right side
    150,367.03x = 17,095,747,139.97
  5. Step 5: Solve for x
    x = 17,095,747,139.97/150,367.03
  6. Step 6: Final answer
    x = 113,693.45

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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.