Home / 226,815.13-312,874.50-141,784.57

Finding the Fourth Proportional to 226,815.13, 312,874.50 and 141,784.57

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Solution

The fourth proportional to 226,815.13, 312,874.50 and 141,784.57 is: 195,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,815.13 : 312,874.50 = 141,784.57 : x
  2. Step 2: Convert to fraction form
    226,815.13/312,874.50 = 141,784.57/x
  3. Step 3: Cross multiply
    226,815.13x = 312,874.50 × 141,784.57
  4. Step 4: Simplify right side
    226,815.13x = 44,360,776,446.47
  5. Step 5: Solve for x
    x = 44,360,776,446.47/226,815.13
  6. Step 6: Final answer
    x = 195,581.21

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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.