Home / 351,488.16-527,310-193,635.36

Finding the Fourth Proportional to 351,488.16, 527,310 and 193,635.36

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Solution

The fourth proportional to 351,488.16, 527,310 and 193,635.36 is: 290,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,488.16 : 527,310 = 193,635.36 : x
  2. Step 2: Convert to fraction form
    351,488.16/527,310 = 193,635.36/x
  3. Step 3: Cross multiply
    351,488.16x = 527,310 × 193,635.36
  4. Step 4: Simplify right side
    351,488.16x = 102,105,861,681.60
  5. Step 5: Solve for x
    x = 102,105,861,681.60/351,488.16
  6. Step 6: Final answer
    x = 290,495.88

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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.