Home / 433,288.18-649,655.29-208,200.70

Finding the Fourth Proportional to 433,288.18, 649,655.29 and 208,200.70

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Solution

The fourth proportional to 433,288.18, 649,655.29 and 208,200.70 is: 312,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,288.18 : 649,655.29 = 208,200.70 : x
  2. Step 2: Convert to fraction form
    433,288.18/649,655.29 = 208,200.70/x
  3. Step 3: Cross multiply
    433,288.18x = 649,655.29 × 208,200.70
  4. Step 4: Simplify right side
    433,288.18x = 135,258,686,136.70
  5. Step 5: Solve for x
    x = 135,258,686,136.70/433,288.18
  6. Step 6: Final answer
    x = 312,167.96

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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.