Home / 173,302.40-239,029.26-109,578.80

Finding the Fourth Proportional to 173,302.40, 239,029.26 and 109,578.80

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Solution

The fourth proportional to 173,302.40, 239,029.26 and 109,578.80 is: 151,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,302.40 : 239,029.26 = 109,578.80 : x
  2. Step 2: Convert to fraction form
    173,302.40/239,029.26 = 109,578.80/x
  3. Step 3: Cross multiply
    173,302.40x = 239,029.26 × 109,578.80
  4. Step 4: Simplify right side
    173,302.40x = 26,192,539,475.69
  5. Step 5: Solve for x
    x = 26,192,539,475.69/173,302.40
  6. Step 6: Final answer
    x = 151,137.78

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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.