Home / 355,159.36-533,001.12-168,170.56

Finding the Fourth Proportional to 355,159.36, 533,001.12 and 168,170.56

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Solution

The fourth proportional to 355,159.36, 533,001.12 and 168,170.56 is: 252,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,159.36 : 533,001.12 = 168,170.56 : x
  2. Step 2: Convert to fraction form
    355,159.36/533,001.12 = 168,170.56/x
  3. Step 3: Cross multiply
    355,159.36x = 533,001.12 × 168,170.56
  4. Step 4: Simplify right side
    355,159.36x = 89,635,096,831.03
  5. Step 5: Solve for x
    x = 89,635,096,831.03/355,159.36
  6. Step 6: Final answer
    x = 252,379.94

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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.