Home / 319,870.62-441,424.08-176,622.12

Finding the Fourth Proportional to 319,870.62, 441,424.08 and 176,622.12

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Solution

The fourth proportional to 319,870.62, 441,424.08 and 176,622.12 is: 243,739.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,870.62 : 441,424.08 = 176,622.12 : x
  2. Step 2: Convert to fraction form
    319,870.62/441,424.08 = 176,622.12/x
  3. Step 3: Cross multiply
    319,870.62x = 441,424.08 × 176,622.12
  4. Step 4: Simplify right side
    319,870.62x = 77,965,256,828.65
  5. Step 5: Solve for x
    x = 77,965,256,828.65/319,870.62
  6. Step 6: Final answer
    x = 243,739.97

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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.