Home / 319,106.19-440,375.73-175,875.42

Finding the Fourth Proportional to 319,106.19, 440,375.73 and 175,875.42

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Solution

The fourth proportional to 319,106.19, 440,375.73 and 175,875.42 is: 242,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,106.19 : 440,375.73 = 175,875.42 : x
  2. Step 2: Convert to fraction form
    319,106.19/440,375.73 = 175,875.42/x
  3. Step 3: Cross multiply
    319,106.19x = 440,375.73 × 175,875.42
  4. Step 4: Simplify right side
    319,106.19x = 77,451,266,471.56
  5. Step 5: Solve for x
    x = 77,451,266,471.56/319,106.19
  6. Step 6: Final answer
    x = 242,713.14

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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.