Home / 316,450.49-436,705.76-173,207.45

Finding the Fourth Proportional to 316,450.49, 436,705.76 and 173,207.45

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Solution

The fourth proportional to 316,450.49, 436,705.76 and 173,207.45 is: 239,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,450.49 : 436,705.76 = 173,207.45 : x
  2. Step 2: Convert to fraction form
    316,450.49/436,705.76 = 173,207.45/x
  3. Step 3: Cross multiply
    316,450.49x = 436,705.76 × 173,207.45
  4. Step 4: Simplify right side
    316,450.49x = 75,640,688,040.35
  5. Step 5: Solve for x
    x = 75,640,688,040.35/316,450.49
  6. Step 6: Final answer
    x = 239,028.51

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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.