Home / 316,252.92-436,439.34-173,012.96

Finding the Fourth Proportional to 316,252.92, 436,439.34 and 173,012.96

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Solution

The fourth proportional to 316,252.92, 436,439.34 and 173,012.96 is: 238,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,252.92 : 436,439.34 = 173,012.96 : x
  2. Step 2: Convert to fraction form
    316,252.92/436,439.34 = 173,012.96/x
  3. Step 3: Cross multiply
    316,252.92x = 436,439.34 × 173,012.96
  4. Step 4: Simplify right side
    316,252.92x = 75,509,662,073.85
  5. Step 5: Solve for x
    x = 75,509,662,073.85/316,252.92
  6. Step 6: Final answer
    x = 238,763.53

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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.