Home / 319,200.12-440,499.24-175,965.30

Finding the Fourth Proportional to 319,200.12, 440,499.24 and 175,965.30

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Solution

The fourth proportional to 319,200.12, 440,499.24 and 175,965.30 is: 242,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,200.12 : 440,499.24 = 175,965.30 : x
  2. Step 2: Convert to fraction form
    319,200.12/440,499.24 = 175,965.30/x
  3. Step 3: Cross multiply
    319,200.12x = 440,499.24 × 175,965.30
  4. Step 4: Simplify right side
    319,200.12x = 77,512,580,916.37
  5. Step 5: Solve for x
    x = 77,512,580,916.37/319,200.12
  6. Step 6: Final answer
    x = 242,833.81

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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.