Home / 433,289.48-649,696.08-133,688.36

Finding the Fourth Proportional to 433,289.48, 649,696.08 and 133,688.36

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Solution

The fourth proportional to 433,289.48, 649,696.08 and 133,688.36 is: 200,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,289.48 : 649,696.08 = 133,688.36 : x
  2. Step 2: Convert to fraction form
    433,289.48/649,696.08 = 133,688.36/x
  3. Step 3: Cross multiply
    433,289.48x = 649,696.08 × 133,688.36
  4. Step 4: Simplify right side
    433,289.48x = 86,856,803,433.63
  5. Step 5: Solve for x
    x = 86,856,803,433.63/433,289.48
  6. Step 6: Final answer
    x = 200,459.06

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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.