Home / 102,827.10-154,471.05-98,628.70

Finding the Fourth Proportional to 102,827.10, 154,471.05 and 98,628.70

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Solution

The fourth proportional to 102,827.10, 154,471.05 and 98,628.70 is: 148,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.10 : 154,471.05 = 98,628.70 : x
  2. Step 2: Convert to fraction form
    102,827.10/154,471.05 = 98,628.70/x
  3. Step 3: Cross multiply
    102,827.10x = 154,471.05 × 98,628.70
  4. Step 4: Simplify right side
    102,827.10x = 15,235,278,849.14
  5. Step 5: Solve for x
    x = 15,235,278,849.14/102,827.10
  6. Step 6: Final answer
    x = 148,164.04

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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.