Home / 351,681.32-527,520.70-193,826.60

Finding the Fourth Proportional to 351,681.32, 527,520.70 and 193,826.60

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Solution

The fourth proportional to 351,681.32, 527,520.70 and 193,826.60 is: 290,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,681.32 : 527,520.70 = 193,826.60 : x
  2. Step 2: Convert to fraction form
    351,681.32/527,520.70 = 193,826.60/x
  3. Step 3: Cross multiply
    351,681.32x = 527,520.70 × 193,826.60
  4. Step 4: Simplify right side
    351,681.32x = 102,247,543,710.62
  5. Step 5: Solve for x
    x = 102,247,543,710.62/351,681.32
  6. Step 6: Final answer
    x = 290,739.19

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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.