Home / 102,885.20-155,098.94-96,026.90

Finding the Fourth Proportional to 102,885.20, 155,098.94 and 96,026.90

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Solution

The fourth proportional to 102,885.20, 155,098.94 and 96,026.90 is: 144,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,885.20 : 155,098.94 = 96,026.90 : x
  2. Step 2: Convert to fraction form
    102,885.20/155,098.94 = 96,026.90/x
  3. Step 3: Cross multiply
    102,885.20x = 155,098.94 × 96,026.90
  4. Step 4: Simplify right side
    102,885.20x = 14,893,670,378.39
  5. Step 5: Solve for x
    x = 14,893,670,378.39/102,885.20
  6. Step 6: Final answer
    x = 144,760.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.