Home / 354,553.18-531,748.66-101,831.66

Finding the Fourth Proportional to 354,553.18, 531,748.66 and 101,831.66

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Solution

The fourth proportional to 354,553.18, 531,748.66 and 101,831.66 is: 152,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,553.18 : 531,748.66 = 101,831.66 : x
  2. Step 2: Convert to fraction form
    354,553.18/531,748.66 = 101,831.66/x
  3. Step 3: Cross multiply
    354,553.18x = 531,748.66 × 101,831.66
  4. Step 4: Simplify right side
    354,553.18x = 54,148,848,750.58
  5. Step 5: Solve for x
    x = 54,148,848,750.58/354,553.18
  6. Step 6: Final answer
    x = 152,724.19

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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.