Home / 313,034.12-432,055.32-192,238.88

Finding the Fourth Proportional to 313,034.12, 432,055.32 and 192,238.88

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Solution

The fourth proportional to 313,034.12, 432,055.32 and 192,238.88 is: 265,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,034.12 : 432,055.32 = 192,238.88 : x
  2. Step 2: Convert to fraction form
    313,034.12/432,055.32 = 192,238.88/x
  3. Step 3: Cross multiply
    313,034.12x = 432,055.32 × 192,238.88
  4. Step 4: Simplify right side
    313,034.12x = 83,057,830,814.84
  5. Step 5: Solve for x
    x = 83,057,830,814.84/313,034.12
  6. Step 6: Final answer
    x = 265,331.56

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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.