Home / 150,623.40-225,935.10-45,428.70

Finding the Fourth Proportional to 150,623.40, 225,935.10 and 45,428.70

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Solution

The fourth proportional to 150,623.40, 225,935.10 and 45,428.70 is: 68,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,623.40 : 225,935.10 = 45,428.70 : x
  2. Step 2: Convert to fraction form
    150,623.40/225,935.10 = 45,428.70/x
  3. Step 3: Cross multiply
    150,623.40x = 225,935.10 × 45,428.70
  4. Step 4: Simplify right side
    150,623.40x = 10,263,937,877.37
  5. Step 5: Solve for x
    x = 10,263,937,877.37/150,623.40
  6. Step 6: Final answer
    x = 68,143.05

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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.