Home / 319,228.89-440,539.27-175,994.05

Finding the Fourth Proportional to 319,228.89, 440,539.27 and 175,994.05

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Solution

The fourth proportional to 319,228.89, 440,539.27 and 175,994.05 is: 242,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,228.89 : 440,539.27 = 175,994.05 : x
  2. Step 2: Convert to fraction form
    319,228.89/440,539.27 = 175,994.05/x
  3. Step 3: Cross multiply
    319,228.89x = 440,539.27 × 175,994.05
  4. Step 4: Simplify right side
    319,228.89x = 77,532,290,311.34
  5. Step 5: Solve for x
    x = 77,532,290,311.34/319,228.89
  6. Step 6: Final answer
    x = 242,873.66

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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.