Home / 319,028.05-440,278.32-175,788.06

Finding the Fourth Proportional to 319,028.05, 440,278.32 and 175,788.06

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Solution

The fourth proportional to 319,028.05, 440,278.32 and 175,788.06 is: 242,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,028.05 : 440,278.32 = 175,788.06 : x
  2. Step 2: Convert to fraction form
    319,028.05/440,278.32 = 175,788.06/x
  3. Step 3: Cross multiply
    319,028.05x = 440,278.32 × 175,788.06
  4. Step 4: Simplify right side
    319,028.05x = 77,395,671,732.86
  5. Step 5: Solve for x
    x = 77,395,671,732.86/319,028.05
  6. Step 6: Final answer
    x = 242,598.33

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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.