Home / 313,182.76-432,011.46-199,877.80

Finding the Fourth Proportional to 313,182.76, 432,011.46 and 199,877.80

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Solution

The fourth proportional to 313,182.76, 432,011.46 and 199,877.80 is: 275,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,182.76 : 432,011.46 = 199,877.80 : x
  2. Step 2: Convert to fraction form
    313,182.76/432,011.46 = 199,877.80/x
  3. Step 3: Cross multiply
    313,182.76x = 432,011.46 × 199,877.80
  4. Step 4: Simplify right side
    313,182.76x = 86,349,500,199.59
  5. Step 5: Solve for x
    x = 86,349,500,199.59/313,182.76
  6. Step 6: Final answer
    x = 275,716.01

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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.