Home / 313,160.76-432,150.03-169,917.84

Finding the Fourth Proportional to 313,160.76, 432,150.03 and 169,917.84

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Solution

The fourth proportional to 313,160.76, 432,150.03 and 169,917.84 is: 234,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,160.76 : 432,150.03 = 169,917.84 : x
  2. Step 2: Convert to fraction form
    313,160.76/432,150.03 = 169,917.84/x
  3. Step 3: Cross multiply
    313,160.76x = 432,150.03 × 169,917.84
  4. Step 4: Simplify right side
    313,160.76x = 73,429,999,653.54
  5. Step 5: Solve for x
    x = 73,429,999,653.54/313,160.76
  6. Step 6: Final answer
    x = 234,480.21

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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.