Home / 328,569.36-453,425.40-177,666

Finding the Fourth Proportional to 328,569.36, 453,425.40 and 177,666

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Solution

The fourth proportional to 328,569.36, 453,425.40 and 177,666 is: 245,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,569.36 : 453,425.40 = 177,666 : x
  2. Step 2: Convert to fraction form
    328,569.36/453,425.40 = 177,666/x
  3. Step 3: Cross multiply
    328,569.36x = 453,425.40 × 177,666
  4. Step 4: Simplify right side
    328,569.36x = 80,558,277,116.40
  5. Step 5: Solve for x
    x = 80,558,277,116.40/328,569.36
  6. Step 6: Final answer
    x = 245,178.91

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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.