Home / 150,605.43-207,436.40-112,242.26

Finding the Fourth Proportional to 150,605.43, 207,436.40 and 112,242.26

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Solution

The fourth proportional to 150,605.43, 207,436.40 and 112,242.26 is: 154,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,605.43 : 207,436.40 = 112,242.26 : x
  2. Step 2: Convert to fraction form
    150,605.43/207,436.40 = 112,242.26/x
  3. Step 3: Cross multiply
    150,605.43x = 207,436.40 × 112,242.26
  4. Step 4: Simplify right side
    150,605.43x = 23,283,128,743.87
  5. Step 5: Solve for x
    x = 23,283,128,743.87/150,605.43
  6. Step 6: Final answer
    x = 154,596.87

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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.