Home / 158,649.30-237,912.21-79,708.50

Finding the Fourth Proportional to 158,649.30, 237,912.21 and 79,708.50

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Solution

The fourth proportional to 158,649.30, 237,912.21 and 79,708.50 is: 119,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,649.30 : 237,912.21 = 79,708.50 : x
  2. Step 2: Convert to fraction form
    158,649.30/237,912.21 = 79,708.50/x
  3. Step 3: Cross multiply
    158,649.30x = 237,912.21 × 79,708.50
  4. Step 4: Simplify right side
    158,649.30x = 18,963,625,390.79
  5. Step 5: Solve for x
    x = 18,963,625,390.79/158,649.30
  6. Step 6: Final answer
    x = 119,531.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.