Home / 369,253.36-509,554.92-208,141.84

Finding the Fourth Proportional to 369,253.36, 509,554.92 and 208,141.84

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Solution

The fourth proportional to 369,253.36, 509,554.92 and 208,141.84 is: 287,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,253.36 : 509,554.92 = 208,141.84 : x
  2. Step 2: Convert to fraction form
    369,253.36/509,554.92 = 208,141.84/x
  3. Step 3: Cross multiply
    369,253.36x = 509,554.92 × 208,141.84
  4. Step 4: Simplify right side
    369,253.36x = 106,059,698,629.85
  5. Step 5: Solve for x
    x = 106,059,698,629.85/369,253.36
  6. Step 6: Final answer
    x = 287,227.44

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1.5x scale

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.