Home / 148,384.20-204,841.11-84,709.68

Finding the Fourth Proportional to 148,384.20, 204,841.11 and 84,709.68

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Solution

The fourth proportional to 148,384.20, 204,841.11 and 84,709.68 is: 116,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,384.20 : 204,841.11 = 84,709.68 : x
  2. Step 2: Convert to fraction form
    148,384.20/204,841.11 = 84,709.68/x
  3. Step 3: Cross multiply
    148,384.20x = 204,841.11 × 84,709.68
  4. Step 4: Simplify right side
    148,384.20x = 17,352,024,878.94
  5. Step 5: Solve for x
    x = 17,352,024,878.94/148,384.20
  6. Step 6: Final answer
    x = 116,939.84

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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.