Home / 369,213.51-553,918.72-132,558.24

Finding the Fourth Proportional to 369,213.51, 553,918.72 and 132,558.24

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Solution

The fourth proportional to 369,213.51, 553,918.72 and 132,558.24 is: 198,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,213.51 : 553,918.72 = 132,558.24 : x
  2. Step 2: Convert to fraction form
    369,213.51/553,918.72 = 132,558.24/x
  3. Step 3: Cross multiply
    369,213.51x = 553,918.72 × 132,558.24
  4. Step 4: Simplify right side
    369,213.51x = 73,426,488,578.66
  5. Step 5: Solve for x
    x = 73,426,488,578.66/369,213.51
  6. Step 6: Final answer
    x = 198,872.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.