Home / 319,669.61-441,141.89-176,429.65

Finding the Fourth Proportional to 319,669.61, 441,141.89 and 176,429.65

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Solution

The fourth proportional to 319,669.61, 441,141.89 and 176,429.65 is: 243,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,669.61 : 441,141.89 = 176,429.65 : x
  2. Step 2: Convert to fraction form
    319,669.61/441,141.89 = 176,429.65/x
  3. Step 3: Cross multiply
    319,669.61x = 441,141.89 × 176,429.65
  4. Step 4: Simplify right side
    319,669.61x = 77,830,509,253.04
  5. Step 5: Solve for x
    x = 77,830,509,253.04/319,669.61
  6. Step 6: Final answer
    x = 243,471.72

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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.