Home / 319,226.12-440,535.06-175,991.29

Finding the Fourth Proportional to 319,226.12, 440,535.06 and 175,991.29

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Solution

The fourth proportional to 319,226.12, 440,535.06 and 175,991.29 is: 242,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,226.12 : 440,535.06 = 175,991.29 : x
  2. Step 2: Convert to fraction form
    319,226.12/440,535.06 = 175,991.29/x
  3. Step 3: Cross multiply
    319,226.12x = 440,535.06 × 175,991.29
  4. Step 4: Simplify right side
    319,226.12x = 77,530,334,216.33
  5. Step 5: Solve for x
    x = 77,530,334,216.33/319,226.12
  6. Step 6: Final answer
    x = 242,869.64

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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.