Home / 313,500.24-432,762.62-211,663.56

Finding the Fourth Proportional to 313,500.24, 432,762.62 and 211,663.56

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Solution

The fourth proportional to 313,500.24, 432,762.62 and 211,663.56 is: 292,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,500.24 : 432,762.62 = 211,663.56 : x
  2. Step 2: Convert to fraction form
    313,500.24/432,762.62 = 211,663.56/x
  3. Step 3: Cross multiply
    313,500.24x = 432,762.62 × 211,663.56
  4. Step 4: Simplify right side
    313,500.24x = 91,600,076,784.13
  5. Step 5: Solve for x
    x = 91,600,076,784.13/313,500.24
  6. Step 6: Final answer
    x = 292,185.03

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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.