Home / 316,366.70-436,586.04-173,126.79

Finding the Fourth Proportional to 316,366.70, 436,586.04 and 173,126.79

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Solution

The fourth proportional to 316,366.70, 436,586.04 and 173,126.79 is: 238,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,366.70 : 436,586.04 = 173,126.79 : x
  2. Step 2: Convert to fraction form
    316,366.70/436,586.04 = 173,126.79/x
  3. Step 3: Cross multiply
    316,366.70x = 436,586.04 × 173,126.79
  4. Step 4: Simplify right side
    316,366.70x = 75,584,739,664.01
  5. Step 5: Solve for x
    x = 75,584,739,664.01/316,366.70
  6. Step 6: Final answer
    x = 238,914.97

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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.