Home / 319,190.12-440,462.58-175,942.76

Finding the Fourth Proportional to 319,190.12, 440,462.58 and 175,942.76

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Solution

The fourth proportional to 319,190.12, 440,462.58 and 175,942.76 is: 242,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,190.12 : 440,462.58 = 175,942.76 : x
  2. Step 2: Convert to fraction form
    319,190.12/440,462.58 = 175,942.76/x
  3. Step 3: Cross multiply
    319,190.12x = 440,462.58 × 175,942.76
  4. Step 4: Simplify right side
    319,190.12x = 77,496,202,001.92
  5. Step 5: Solve for x
    x = 77,496,202,001.92/319,190.12
  6. Step 6: Final answer
    x = 242,790.10

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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.