Home / 313,480.48-432,629.82-177,538.24

Finding the Fourth Proportional to 313,480.48, 432,629.82 and 177,538.24

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Solution

The fourth proportional to 313,480.48, 432,629.82 and 177,538.24 is: 245,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,480.48 : 432,629.82 = 177,538.24 : x
  2. Step 2: Convert to fraction form
    313,480.48/432,629.82 = 177,538.24/x
  3. Step 3: Cross multiply
    313,480.48x = 432,629.82 × 177,538.24
  4. Step 4: Simplify right side
    313,480.48x = 76,808,336,814.32
  5. Step 5: Solve for x
    x = 76,808,336,814.32/313,480.48
  6. Step 6: Final answer
    x = 245,017.93

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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.