Home / 103,234.40-154,025.34-92,007.80

Finding the Fourth Proportional to 103,234.40, 154,025.34 and 92,007.80

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Solution

The fourth proportional to 103,234.40, 154,025.34 and 92,007.80 is: 137,275.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,234.40 : 154,025.34 = 92,007.80 : x
  2. Step 2: Convert to fraction form
    103,234.40/154,025.34 = 92,007.80/x
  3. Step 3: Cross multiply
    103,234.40x = 154,025.34 × 92,007.80
  4. Step 4: Simplify right side
    103,234.40x = 14,171,532,217.61
  5. Step 5: Solve for x
    x = 14,171,532,217.61/103,234.40
  6. Step 6: Final answer
    x = 137,275.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.