Home / 433,815.80-650,663.70-134,502.20

Finding the Fourth Proportional to 433,815.80, 650,663.70 and 134,502.20

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Solution

The fourth proportional to 433,815.80, 650,663.70 and 134,502.20 is: 201,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,815.80 : 650,663.70 = 134,502.20 : x
  2. Step 2: Convert to fraction form
    433,815.80/650,663.70 = 134,502.20/x
  3. Step 3: Cross multiply
    433,815.80x = 650,663.70 × 134,502.20
  4. Step 4: Simplify right side
    433,815.80x = 87,515,699,110.14
  5. Step 5: Solve for x
    x = 87,515,699,110.14/433,815.80
  6. Step 6: Final answer
    x = 201,734.70

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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.