Home / 224,409.12-336,672.24-84,170.40

Finding the Fourth Proportional to 224,409.12, 336,672.24 and 84,170.40

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Solution

The fourth proportional to 224,409.12, 336,672.24 and 84,170.40 is: 126,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,409.12 : 336,672.24 = 84,170.40 : x
  2. Step 2: Convert to fraction form
    224,409.12/336,672.24 = 84,170.40/x
  3. Step 3: Cross multiply
    224,409.12x = 336,672.24 × 84,170.40
  4. Step 4: Simplify right side
    224,409.12x = 28,337,837,109.70
  5. Step 5: Solve for x
    x = 28,337,837,109.70/224,409.12
  6. Step 6: Final answer
    x = 126,277.56

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1.5x scale

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.