Home / 150,424.16-207,585.40-82,443.84

Finding the Fourth Proportional to 150,424.16, 207,585.40 and 82,443.84

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Solution

The fourth proportional to 150,424.16, 207,585.40 and 82,443.84 is: 113,772.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,424.16 : 207,585.40 = 82,443.84 : x
  2. Step 2: Convert to fraction form
    150,424.16/207,585.40 = 82,443.84/x
  3. Step 3: Cross multiply
    150,424.16x = 207,585.40 × 82,443.84
  4. Step 4: Simplify right side
    150,424.16x = 17,114,137,503.94
  5. Step 5: Solve for x
    x = 17,114,137,503.94/150,424.16
  6. Step 6: Final answer
    x = 113,772.53

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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.