Home / 102,145.46-153,218.18-27,265.88

Finding the Fourth Proportional to 102,145.46, 153,218.18 and 27,265.88

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Solution

The fourth proportional to 102,145.46, 153,218.18 and 27,265.88 is: 40,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,145.46 : 153,218.18 = 27,265.88 : x
  2. Step 2: Convert to fraction form
    102,145.46/153,218.18 = 27,265.88/x
  3. Step 3: Cross multiply
    102,145.46x = 153,218.18 × 27,265.88
  4. Step 4: Simplify right side
    102,145.46x = 4,177,628,960.91
  5. Step 5: Solve for x
    x = 4,177,628,960.91/102,145.46
  6. Step 6: Final answer
    x = 40,898.82

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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.