Home / 272,831.85-376,526.79-165,406.41

Finding the Fourth Proportional to 272,831.85, 376,526.79 and 165,406.41

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Solution

The fourth proportional to 272,831.85, 376,526.79 and 165,406.41 is: 228,272.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,831.85 : 376,526.79 = 165,406.41 : x
  2. Step 2: Convert to fraction form
    272,831.85/376,526.79 = 165,406.41/x
  3. Step 3: Cross multiply
    272,831.85x = 376,526.79 × 165,406.41
  4. Step 4: Simplify right side
    272,831.85x = 62,279,944,602.72
  5. Step 5: Solve for x
    x = 62,279,944,602.72/272,831.85
  6. Step 6: Final answer
    x = 228,272.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.