Home / 313,164.07-432,278.49-185,839.66

Finding the Fourth Proportional to 313,164.07, 432,278.49 and 185,839.66

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Solution

The fourth proportional to 313,164.07, 432,278.49 and 185,839.66 is: 256,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,164.07 : 432,278.49 = 185,839.66 : x
  2. Step 2: Convert to fraction form
    313,164.07/432,278.49 = 185,839.66/x
  3. Step 3: Cross multiply
    313,164.07x = 432,278.49 × 185,839.66
  4. Step 4: Simplify right side
    313,164.07x = 80,334,487,606.91
  5. Step 5: Solve for x
    x = 80,334,487,606.91/313,164.07
  6. Step 6: Final answer
    x = 256,525.24

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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.