Home / 319,093.15-440,346.30-175,853.35

Finding the Fourth Proportional to 319,093.15, 440,346.30 and 175,853.35

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Solution

The fourth proportional to 319,093.15, 440,346.30 and 175,853.35 is: 242,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,093.15 : 440,346.30 = 175,853.35 : x
  2. Step 2: Convert to fraction form
    319,093.15/440,346.30 = 175,853.35/x
  3. Step 3: Cross multiply
    319,093.15x = 440,346.30 × 175,853.35
  4. Step 4: Simplify right side
    319,093.15x = 77,436,372,015.11
  5. Step 5: Solve for x
    x = 77,436,372,015.11/319,093.15
  6. Step 6: Final answer
    x = 242,676.38

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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.