Home / 148,385.20-204,842.49-84,710.68

Finding the Fourth Proportional to 148,385.20, 204,842.49 and 84,710.68

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Solution

The fourth proportional to 148,385.20, 204,842.49 and 84,710.68 is: 116,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,385.20 : 204,842.49 = 84,710.68 : x
  2. Step 2: Convert to fraction form
    148,385.20/204,842.49 = 84,710.68/x
  3. Step 3: Cross multiply
    148,385.20x = 204,842.49 × 84,710.68
  4. Step 4: Simplify right side
    148,385.20x = 17,352,346,620.79
  5. Step 5: Solve for x
    x = 17,352,346,620.79/148,385.20
  6. Step 6: Final answer
    x = 116,941.22

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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.