Home / 436,233.40-653,864.10-169,905.40

Finding the Fourth Proportional to 436,233.40, 653,864.10 and 169,905.40

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Solution

The fourth proportional to 436,233.40, 653,864.10 and 169,905.40 is: 254,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,233.40 : 653,864.10 = 169,905.40 : x
  2. Step 2: Convert to fraction form
    436,233.40/653,864.10 = 169,905.40/x
  3. Step 3: Cross multiply
    436,233.40x = 653,864.10 × 169,905.40
  4. Step 4: Simplify right side
    436,233.40x = 111,095,041,456.14
  5. Step 5: Solve for x
    x = 111,095,041,456.14/436,233.40
  6. Step 6: Final answer
    x = 254,668.81

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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.