Home / 146,378.93-202,000.30-82,715.36

Finding the Fourth Proportional to 146,378.93, 202,000.30 and 82,715.36

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Solution

The fourth proportional to 146,378.93, 202,000.30 and 82,715.36 is: 114,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,378.93 : 202,000.30 = 82,715.36 : x
  2. Step 2: Convert to fraction form
    146,378.93/202,000.30 = 82,715.36/x
  3. Step 3: Cross multiply
    146,378.93x = 202,000.30 × 82,715.36
  4. Step 4: Simplify right side
    146,378.93x = 16,708,527,534.61
  5. Step 5: Solve for x
    x = 16,708,527,534.61/146,378.93
  6. Step 6: Final answer
    x = 114,145.71

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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.