Home / 313,107.32-432,109.51-177,141.23

Finding the Fourth Proportional to 313,107.32, 432,109.51 and 177,141.23

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Solution

The fourth proportional to 313,107.32, 432,109.51 and 177,141.23 is: 244,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,107.32 : 432,109.51 = 177,141.23 : x
  2. Step 2: Convert to fraction form
    313,107.32/432,109.51 = 177,141.23/x
  3. Step 3: Cross multiply
    313,107.32x = 432,109.51 × 177,141.23
  4. Step 4: Simplify right side
    313,107.32x = 76,544,411,662.16
  5. Step 5: Solve for x
    x = 76,544,411,662.16/313,107.32
  6. Step 6: Final answer
    x = 244,467.01

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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.