Home / 313,145.12-432,134.68-190,593.16

Finding the Fourth Proportional to 313,145.12, 432,134.68 and 190,593.16

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Solution

The fourth proportional to 313,145.12, 432,134.68 and 190,593.16 is: 263,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,145.12 : 432,134.68 = 190,593.16 : x
  2. Step 2: Convert to fraction form
    313,145.12/432,134.68 = 190,593.16/x
  3. Step 3: Cross multiply
    313,145.12x = 432,134.68 × 190,593.16
  4. Step 4: Simplify right side
    313,145.12x = 82,361,914,206.79
  5. Step 5: Solve for x
    x = 82,361,914,206.79/313,145.12
  6. Step 6: Final answer
    x = 263,015.16

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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.