Home / 319,233.28-440,544.78-175,998.40

Finding the Fourth Proportional to 319,233.28, 440,544.78 and 175,998.40

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Solution

The fourth proportional to 319,233.28, 440,544.78 and 175,998.40 is: 242,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,233.28 : 440,544.78 = 175,998.40 : x
  2. Step 2: Convert to fraction form
    319,233.28/440,544.78 = 175,998.40/x
  3. Step 3: Cross multiply
    319,233.28x = 440,544.78 × 175,998.40
  4. Step 4: Simplify right side
    319,233.28x = 77,535,176,408.35
  5. Step 5: Solve for x
    x = 77,535,176,408.35/319,233.28
  6. Step 6: Final answer
    x = 242,879.37

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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.